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Round|Lab Grown|IGI

2.51ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG476186114

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476186114

Diamond specifications and retailer prices

From $1,370 USD
As of October 30, 2026
Save $6,914 USD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,284 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.51ct lab-grown round diamond

This 2.51ct 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 LG476186114 or 476186114. Listed at 10 retailers as of October 29, 2026, with prices from $1,370 to $8,284, a $6,914 spread on the same certified stone. MOH London lists it at $8,284. 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

2.51
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476186114
Dimensions8.76 × 8.68 × 5.29 mm
L/W Ratio1.01
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
8.76 mm8.68 mm2.51 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476186114
Side View
Table 61.0%Crown 35.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.6%

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 30
Current: $8,284 USD|Low: $1,370 USD|High: $8,350 USD|Avg: $4,217 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,370 USD
Retailer 4$2,653 USD
Retailer 7$2,971 USD
Retailer 5$3,078 USD
Retailer 8$3,078 USD
Retailer 9$3,749 USD
Retailer 3$4,516 USD
Retailer 6$4,793 USD
Retailer 10$6,889 USD
MOH London$8,284 USD

17 data points across 10 retailers

10 retailers$1,370 USD to $8,284 USD

A
Cheapest Retailer
-
$1,370 USD
B+
Retailer 2
-
$2,653 USD
View
B+
Retailer 3
-
$2,887 USD
View
B+
Retailer 4
-
$2,971 USD
View
Final sale: no returns
Retailer 5
-
$3,078 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$3,078 USD
View
B
Retailer 7
-
$4,230 USD
View
B
Retailer 8
-
$4,516 USD
View
B
Retailer 9
-
$4,793 USD
View
Most Expensive
B
MOH London
LG476186114 · Oct 29
$8,284 USD
£6,523 GBP
View
9 more retailers have this diamond
Prices start from $1,370 USDSave up to $6,914 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
2.51ct Round
$1,370 USD