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Round|Lab Grown|IGI

2.12ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG451055643

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055643

Diamond specifications and retailer prices

From $2,245 USD
As of October 29, 2026
Save $4,859 USD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,104 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.12ct lab-grown round diamond

This 2.12ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055643 or 451055643. Listed at 9 retailers as of October 29, 2026, with prices from $2,245 to $7,104, a $4,859 spread on the same certified stone. MOH London lists it at $7,104. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.12
Carat
J
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055643
Dimensions8.17 × 8.20 × 5.09 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.17 mm8.20 mm2.12 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055643
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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: $7,104 USD|Low: $2,443 USD|High: $7,162 USD|Avg: $4,180 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4$2,443 USD
Retailer 5$2,514 USD
Retailer 6$3,304 USD
Retailer 3$4,066 USD
Retailer 2$4,082 USD
Retailer 7$5,829 USD
MOH London$7,104 USD

12 data points across 7 retailers

9 retailers$2,245 USD to $7,104 USD

A
Cheapest Retailer
-
$2,245 USD
B+
Retailer 2
-
$2,443 USD
View
B+
Retailer 3
-
$2,514 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,605 USD
View
B+
Retailer 5
-
$2,605 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$3,580 USD
View
B
Retailer 7
-
$4,066 USD
View
B
Retailer 8
-
$4,082 USD
View
Most Expensive
B
MOH London
LG451055643 · Oct 29
$7,104 USD
£5,594 GBP
View
8 more retailers have this diamond
Prices start from $2,245 USDSave up to $4,859 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
2.12ct Round
$2,245 USD