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Radiant|Lab Grown|IGI

3.12ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG598372133

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG598372133

Diamond specifications and retailer prices

From $483 USD
As of October 31, 2026
Save $2,177 USD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,660 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.12ct lab-grown radiant diamond

This 3.12ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598372133 or 598372133. Listed at 22 retailers as of October 31, 2026, with prices from $483 to $2,660, a $2,177 spread on the same certified stone. Brilliant Earth lists it at $2,660. 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

3.12
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598372133
Dimensions10.25 × 7.05 × 4.87 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.25 mm7.05 mm3.12 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598372133
Side View
Table 67.0%Crown 43.8°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 69.1%

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 31
Current: $2,660 USD|Low: $403 USD|High: $2,830 USD|Avg: $1,212 USD|-4.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 10$403 USD
Retailer 4$451 USD
Retailer 15$500 USD
Retailer 18$500 USD
Retailer 6$550 USD
Retailer 16$645 USD
Retailer 11$782 USD
Retailer 14$791 USD
Retailer 19$806 USD
Retailer 2$821 USD
Retailer 3$1,063 USD
Retailer 12$1,085 USD
Retailer 9$1,463 USD
Retailer 8$1,587 USD
Retailer 17$1,606 USD
Retailer 5$1,641 USD
Retailer 7$1,870 USD
Retailer 13$1,962 USD
Brilliant Earth$2,660 USD

31 data points across 19 retailers

22 retailers$483 USD to $2,660 USD

Retailer 1
-
$403 USD
Price last confirmed 9 days ago
Retailer 2
-
$451 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$483 USD
View
Final sale: no returns
Retailer 4
-
$500 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$500 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$550 USD
HK$4,300 HKD
View
A
Retailer 7
-
$645 USD
View
Retailer 8
-
$782 USD
€745 EUR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$791 USD
View
A
Retailer 10
-
$806 USD
View
A
Retailer 11
-
$821 USD
£646 GBP
View
A
Retailer 12
-
$1,063 USD
View
A
Retailer 13
-
$1,085 USD
View
B+
Retailer 14
-
$1,463 USD
£1,152 GBP
View
B+
Retailer 15
-
$1,478 USD
£1,164 GBP
View
B+
Retailer 16
-
$1,587 USD
SGD 2,145 SGD
View
Retailer 17
-
$1,606 USD
View
Price last confirmed 7 days ago
B+
Retailer 18
-
$1,641 USD
View
B+
Retailer 19
-
$1,718 USD
View
B+
Retailer 20
-
$1,870 USD
View
B+
Retailer 21
-
$1,962 USD
£1,545 GBP
View
Most Expensive
B
Brilliant Earth
17655862A · Oct 31
$2,660 USD
View
21 more retailers have this diamond
Prices start from $483 USDSave up to $2,177 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
3.12ct Radiant
$483 USD