CaratHunter
Plans
Oval|Lab Grown|IGI

2.51ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG447001729

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447001729

Diamond specifications and retailer prices

From $1,410 USD
As of October 30, 2026
Save $6,924 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,334 USD at MOH London · As of October 27, 2026
View at MOH London

About this 2.51ct lab-grown oval diamond

This 2.51ct lab-grown oval sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001729 or 447001729. Listed at 11 retailers as of October 27, 2026, with prices from $1,410 to $8,334, a $6,924 spread on the same certified stone. MOH London lists it at $8,334. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001729
Dimensions10.60 × 7.67 × 4.81 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
10.60 mm7.67 mm2.51 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001729
Side View
Table 59.0%Crown 35.8°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $8,334 USD|Low: $1,410 USD|High: $11,124 USD|Avg: $4,822 USD|-0.9%
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$1,410 USD
Retailer 4$2,680 USD
Retailer 7$3,000 USD
Retailer 5$3,109 USD
Retailer 8$3,270 USD
Retailer 9$3,783 USD
Retailer 3$4,561 USD
Retailer 6$4,839 USD
MOH London$8,334 USD
Retailer 10$11,124 USD

13 data points across 10 retailers

11 retailers$1,410 USD to $8,334 USD

A
Cheapest Retailer
-
$1,410 USD
B+
Retailer 2
-
$2,680 USD
View
B+
Retailer 3
-
$2,916 USD
View
B+
Retailer 4
-
$3,000 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,109 USD
View
Retailer 6
-
$3,109 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$3,270 USD
View
B
Retailer 8
-
$4,273 USD
View
B
Retailer 9
-
$4,561 USD
View
B
Retailer 10
-
$4,839 USD
View
Most Expensive
B
MOH London
LG447001729 · Oct 27
$8,334 USD
£6,562 GBP
View
10 more retailers have this diamond
Prices start from $1,410 USDSave up to $6,924 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 Oval
$1,410 USD