A full carat across both ears is the sweet spot for diamond studs: about half a carat in each lobe, big enough to catch the light across a room, small enough to wear with jeans or to the office. It is also the size where lab grown stones make the biggest difference to the price, which is why 1 carat diamond studs are often the first serious piece of jewelry people buy for themselves.
We grouped every stud design at this weight currently in stock and picked the 8 pairs below, from simple four prong rounds to bezel set fancy shapes.
Our pick: Rare Carat is the best place to buy 1 carat diamond studs in 2026. It has 19 stud designs at this weight in stock, from $245 to $1,310, with lab grown and natural stones in prong, martini and bezel settings across 6 metals. Each pair is filmed in 360 degree video and returnable within 30 days.
How we compared 1 carat diamond studs
Each pair was checked on the same live catalog data:
- Price: the lowest in stock price at this weight.
- Total weight: close to a full carat across both ears.
- Diamond type: lab grown or natural.
- Setting: four prong, three prong (martini) or bezel.
- Metal: the gold colors and platinum available.
Best Places to Buy 1 Carat Diamond Stud Earrings: Side-by-Side Comparison
8 designs picked from 19 in stock, led by Rare Carat best sellers and spread across the full price range. Prices checked November 1, 2026.
01Best overall · bestsellerLab Diamond Stud Earrings (1 ct. tw.)-14K Yellow Gold$455
02Best valueLab Diamond Silver Stud Earrings (1.00 ct. tw.)-Silver$305
03Top color and clarity10K Lab Diamond Stud Earrings (1 ct. tw.)-10K White Gold$385
04Best bezel settingAmplify Faceted Bezel Lab Diamond Stud Earrings (1.00 ct. tw.)-14K Yellow Gold$595
05Best in rose goldC-Prong Pave Diamond Stud Earrings (1 ct. tw.) by Christian Siriano-14K Rose Gold$700
06Best lab diamond pickHalo Lab Diamond Studs-14K White Gold$710
07Also greatCushion Lab Diamond Bezel Stud Earrings (1 ct. tw.)-14K White Gold$750
08Best splurgePrincess Lab Grown Diamond Bezel Set Stud Earrings (1 ct. tw.)-14K White Gold$965Part of our diamond stud earrings comparison, which covers all 52 designs in stock.
Getting the most from your studs
Matching matters most
At half a carat per ear, a difference in color or diameter between the two stones is easy to spot. The best pairs are matched for size and tone, which is why the 360 degree video, showing both stones together, is so useful. Look at the pair straight on and from the side: both diamonds should face up the same size and the same shade of white.
Shape changes the look
Round brilliants sparkle most and are the classic choice. Princess cuts look slightly larger and more modern. Ovals and pears face up bigger for the same weight and flatter longer faces. Cushions have a softer, vintage glow.
Settings
Four prongs show the most diamond. Martini settings tuck the stone close to the lobe for a sleek profile and sit flatter under hair. Bezels protect the edge and look minimal, though a thin metal rim makes the stone look a touch smaller.
Backs
Push backs are quick and light. Screw backs thread onto the post and are the safest choice if you wear your earrings every day or sleep in them. Some pairs can be ordered with either, so check the product page.
Lab grown or natural at this size?
1 carat lab grown diamond earrings cost a fraction of mined stones with the same grades, so many buyers use the saving to step up to a better cut or to platinum. Lab and mined diamonds are chemically identical and look the same, even under a loupe. Natural studs suit buyers who want mined origin or plan to pass the pair down.
If you are deciding between the two, compare a lab pair and a natural pair with the same grades in the table above. The difference in price is usually large enough to pay for a second pair.
Where Rare Carat shines
Rare Carat offers a wide selection of studs at this weight, in every major shape and setting, with 19 designs available in 6 metals. Every pair is filmed in 360 degree video so you can check the match, prices are listed for every option, and returns are accepted within 30 days. See the shipping page for delivery details.
The 8 picks, explained
Lab Diamond Stud Earrings (1 ct. tw.)-14K Yellow Gold
It starts at $455 in yellow, white or rose gold or platinum. Total diamond weight is 1 ct. It is the most ordered design on this shortlist at Rare Carat in recent months, so it is the proven pick most buyers land on.
- Total carat
- 1 ct
- Diamonds
- Lab grown
- Color / clarity
- VS2
- Sale price range
- $455 to $4,120
- List price
- $774 (41% off)
Lab Diamond Silver Stud Earrings (1.00 ct. tw.)-Silver
Choose two shades of gold, silver and gold vermeil; the entry price is $305. The stones add up to 1 ct of lab created diamonds. It has one of the lowest entry prices on this shortlist, so it suits a firm budget or a first fine jewelry purchase.
- Total carat
- 1 ct
- Diamonds
- Lab grown
- Color / clarity
- F / VS2
- Sale price range
- $305 to $905
- List price
- $526 (42% off)
10K Lab Diamond Stud Earrings (1 ct. tw.)-10K White Gold
Pricing begins at $385, and the design comes in yellow and white gold. It carries 1 ct total. It carries the highest color and clarity grades here (F, VS2), for the cleanest, whitest look.
- Total carat
- 1 ct
- Diamonds
- Lab grown
- Color / clarity
- F / VS2
- Sale price range
- $385
- List price
- $672 (43% off)
Amplify Faceted Bezel Lab Diamond Stud Earrings (1.00 ct. tw.)-14K Yellow Gold
$595 gets you in the door, with white or yellow gold on the menu. Diamonds come to 1 ct in all. A metal rim around each stone protects the edges, a smart choice for active, everyday wear.
- Total carat
- 1 ct
- Diamonds
- Lab grown
- Setting
- Bezel
- Sale price range
- $595
- List price
- $1,041 (43% off)
C-Prong Pave Diamond Stud Earrings (1 ct. tw.) by Christian Siriano-14K Rose Gold
Expect to pay from $700; it is made in three shades of gold. Combined stone weight: 1 ct. The warm rose tone flatters most skin tones and makes white diamonds look brighter by contrast.
- Total carat
- 1 ct
- Diamonds
- Natural
- Setting
- Pavé
- Sale price range
- $700
- List price
- $1,221 (43% off)
Halo Lab Diamond Studs-14K White Gold
Entry price: $710. Metal choices run to yellow and white gold. Total diamond weight is 1 ct. Lab made stones keep the sparkle and hardness of mined diamonds at a lower price per carat.
- Total carat
- 1 ct
- Diamonds
- Lab grown
- Color / clarity
- VS+
- Setting
- Halo
- Sale price range
- $710 to $770
- List price
- $1,241 (43% off)
Cushion Lab Diamond Bezel Stud Earrings (1 ct. tw.)-14K White Gold
It is listed from $750 and can be ordered in rose, white or yellow gold. The stones add up to 1 ct of lab created diamonds. Worth a look for a slightly different silhouette at a similar price.
- Total carat
- 1 ct
- Diamonds
- Lab grown
- Color / clarity
- VS+
- Shape
- Cushion
- Setting
- Bezel
- Sale price range
- $750 to $975
- List price
- $1,310 (43% off)
Princess Lab Grown Diamond Bezel Set Stud Earrings (1 ct. tw.)-14K White Gold
The lowest current price is $965, in three shades of gold. It carries 1 ct total. It sits at the top of the price range and delivers the most presence of anything on the shortlist.
- Total carat
- 1 ct
- Diamonds
- Lab grown
- Color / clarity
- VS+
- Shape
- Princess
- Setting
- Bezel
- Sale price range
- $965
- List price
- $1,681 (43% off)
Budget guide
Around $540 buys a well matched lab grown pair in four prong white gold. Near $670 you can choose platinum, a fancy shape or better grades. Above $815 are natural pairs and premium settings.
If you only buy one pair of earrings, make it 1 carat diamond studs in round brilliants. They go with everything, and a pair of 1 carat lab grown diamond earrings keeps the price within reach. Pick the setting that suits how you wear them, check the match in the video, and the pair will last a lifetime.
1 Carat Diamond Stud Earrings: frequently asked questions
How big is a 1 carat pair of studs?
A full carat across both ears means about half a carat per ear. A half carat round measures roughly 5.1 to 5.2 mm across, a size that is clearly visible without looking oversized.
Is a carat in total a good size for studs?
It is the most popular size. Large enough to be noticed, small enough for every day and suitable for almost any ear.
How much do 1 carat diamond studs cost?
The typical pair here costs about $670, with most between $540 and $815. Lab grown pairs cost a fraction of natural pairs with the same grades.
What grades should I choose?
For studs, G to H color and VS to SI clarity look perfect from normal viewing distance. Spend more on cut and well matched stones than on top grades.
Screw backs or push backs at this size?
Push backs are fine at half a carat per ear, but screw backs give extra peace of mind if you sleep in your studs or wear them daily.
More diamond jewelry comparisons
- 01Best places to buy diamond stud earrings52 designs from $80
- 02Best places to buy diamond tennis bracelets39 designs from $260
- 03Best places to buy lab grown diamond earrings204 designs from $80
- 04Best places to buy diamond tennis necklaces13 designs from $975
- 05Best places to buy diamond hoop earrings64 designs from $210
- 06Best places to buy diamond huggie earrings26 designs from $120
- 07Best places to buy diamond heart necklaces35 designs from $160
- 08Best places to buy diamond drop earrings38 designs from $345