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Oval|Lab Grown|IGI

2.51ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG447000439

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000439

Diamond specifications and retailer prices

From $1,410 USD
As of November 6, 2026
Save $8,104 USD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,514 USD at MOH London · As of November 3, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447000439 or 447000439. Listed at 11 retailers as of November 3, 2026, with prices from $1,410 to $9,514, a $8,104 spread on the same certified stone. MOH London lists it at $9,514. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000439
Dimensions10.38 × 7.64 × 4.82 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.38 mm7.64 mm2.51 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000439
Side View
Table 58.0%Crown 36.6°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 63.1%

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: Nov 6
Current: $9,514 USD|Low: $1,410 USD|High: $13,432 USD|Avg: $5,635 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2$1,410 USD
Retailer 4$3,236 USD
Retailer 7$3,623 USD
Retailer 5$3,753 USD
Retailer 8$3,910 USD
Retailer 9$4,370 USD
Retailer 3$5,283 USD
Retailer 6$5,828 USD
MOH London$9,514 USD
Retailer 10$13,432 USD

14 data points across 10 retailers

11 retailers$1,410 USD to $9,514 USD

A
Cheapest Retailer
-
$1,410 USD
B+
Retailer 2
-
$3,236 USD
View
B+
Retailer 3
-
$3,521 USD
View
B+
Retailer 4
-
$3,623 USD
View
Final sale: no returns
B
Retailer 5
-
$3,753 USD
View
Retailer 6
-
$3,754 USD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$3,910 USD
View
B
Retailer 8
-
$4,690 USD
View
B
Retailer 9
-
$5,283 USD
View
B
Retailer 10
-
$5,828 USD
View
Most Expensive
B
MOH London
LG447000439 · Nov 3
$9,514 USD
£7,491 GBP
View
10 more retailers have this diamond
Prices start from $1,410 USDSave up to $8,104 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