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Round|Lab Grown|IGI

3.12ct J VVS2 Round Lab Grown Diamond

EX • J/VVS2 • IGI LG508124216

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508124216

Diamond specifications and retailer prices

From $713 USD
As of October 29, 2026
Save $2,553 USD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,266 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.12ct lab-grown round diamond

This 3.12ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG508124216 or 508124216. Listed at 16 retailers as of October 29, 2026, with prices from $713 to $3,266, a $2,553 spread on the same certified stone. MOH London lists it at $3,266. 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
J
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508124216
Dimensions9.34 × 9.30 × 5.77 mm
L/W Ratio1.00
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
9.34 mm9.30 mm3.12 ctJ / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508124216
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.9%

Caratlytics Score

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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: $3,266 USD|Low: $713 USD|High: $3,490 USD|Avg: $1,727 USD|+0.5%
MOH London
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
October 30, 2026
Retailer 11$713 USD
Retailer 13$798 USD
Retailer 4$960 USD
Retailer 6$961 USD
Retailer 8$1,005 USD
Retailer 12$1,131 USD
Retailer 10$1,344 USD
Retailer 14$1,522 USD
Retailer 5$1,900 USD
Retailer 2$1,900 USD
Retailer 7$1,921 USD
Retailer 9$2,038 USD
Retailer 3$2,852 USD
MOH London$3,266 USD

29 data points across 14 retailers

16 retailers$713 USD to $3,266 USD

A
Cheapest Retailer
-
$713 USD
A
Retailer 2
-
$776 USD
View
A
Retailer 3
-
$798 USD
View
Final sale: no returns
A
Retailer 4
-
$827 USD
View
Retailer 5
-
$827 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$960 USD
HK$7,500 HKD
View
A
Retailer 7
-
$1,005 USD
View
B+
Retailer 8
-
$1,131 USD
View
B+
Retailer 9
-
$1,344 USD
View
B
Retailer 10
-
$1,522 USD
View
B
Retailer 11
-
$1,900 USD
View
B
Retailer 12
-
$1,921 USD
ZAR 31,031 ZAR
View
B
Retailer 13
-
$2,038 USD
View
B
Retailer 14
-
$2,326 USD
View
B
Retailer 15
-
$2,852 USD
View
Most Expensive
B
MOH London
LG508124216 · Oct 29
$3,266 USD
£2,572 GBP
View
15 more retailers have this diamond
Prices start from $713 USDSave up to $2,553 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 Round
$713 USD