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Round|Lab Grown|IGI

12.03ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG605385395

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605385395

Diamond specifications and retailer prices

From $2,679 USD
As of October 29, 2026
Save $16,861 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $19,540 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 12.03ct lab-grown round diamond

This 12.03ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605385395 or 605385395. Listed at 16 retailers as of October 29, 2026, with prices from $2,679 to $19,540, a $16,861 spread on the same certified stone. Brilliant Earth lists it at $19,540. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.03
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605385395
Dimensions14.79 × 14.76 × 8.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
14.79 mm14.76 mm12.03 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605385395
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $19,540 USD|Low: $2,509 USD|High: $20,140 USD|Avg: $5,613 USD|-3.0%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 30, 2026
Retailer 13$2,509 USD
Retailer 16$2,679 USD
Retailer 11$2,915 USD
Retailer 3$3,107 USD
Retailer 14$3,107 USD
Retailer 10$3,110 USD
Retailer 6$3,557 USD
Retailer 2$4,180 USD
Retailer 15$4,271 USD
Retailer 12$4,560 USD
Retailer 5$4,837 USD
Retailer 9$5,102 USD
Retailer 8$6,429 USD
Retailer 4$7,806 USD
Retailer 7$8,331 USD
Brilliant Earth$19,540 USD

39 data points across 16 retailers

16 retailers$2,679 USD to $19,540 USD

Retailer 1
-
$2,509 USD
£1,975 GBP
Price last confirmed 13 days ago
A
Retailer 2
-
$2,679 USD
View
A
Retailer 3
-
$2,915 USD
View
A
Retailer 4
-
$3,107 USD
View
Retailer 5
-
$3,107 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$3,110 USD
View
A
Retailer 7
-
$3,557 USD
View
A
Retailer 8
-
$4,180 USD
£3,291 GBP
View
A
Retailer 9
-
$4,271 USD
View
A
Retailer 10
-
$4,560 USD
View
A
Retailer 11
-
$4,837 USD
View
A
Retailer 12
-
$5,102 USD
€4,859 EUR
View
B+
Retailer 13
-
$7,806 USD
View
B+
Retailer 14
-
$8,331 USD
View
Retailer 15
-
$10,835 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
8498091A · Oct 29
$19,540 USD
View
15 more retailers have this diamond
Prices start from $2,679 USDSave up to $16,861 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
12.03ct Round
$2,679 USD