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Round|Lab Grown|IGI

2.50ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG485161846

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485161846

Diamond specifications and retailer prices

From $1,370 USD
As of October 29, 2026
Save $7,412 USD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,782 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485161846 or 485161846. Listed at 10 retailers as of October 29, 2026, with prices from $1,370 to $8,782, a $7,412 spread on the same certified stone. MOH London lists it at $8,782. 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

2.50
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485161846
Dimensions8.83 × 8.88 × 5.20 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
8.83 mm8.88 mm2.50 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485161846
Side View
Table 59.5%Crown 31.5°GirdlePavilion 40.2°Culet: NoneDepth 58.7%

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: $8,782 USD|Low: $1,370 USD|High: $8,852 USD|Avg: $5,053 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3$1,370 USD
Retailer 5$3,326 USD
Retailer 6$4,159 USD
Retailer 2$4,952 USD
Retailer 4$5,357 USD
Retailer 7$7,714 USD
MOH London$8,782 USD

14 data points across 7 retailers

10 retailers$1,370 USD to $8,782 USD

A
Cheapest Retailer
-
$1,370 USD
B+
Retailer 2
-
$2,971 USD
View
B+
Retailer 3
-
$3,232 USD
View
B+
Retailer 4
-
$3,326 USD
View
Final sale: no returns
Retailer 5
-
$3,446 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$3,446 USD
View
B
Retailer 7
-
$4,307 USD
View
B
Retailer 8
-
$4,952 USD
View
B
Retailer 9
-
$5,357 USD
View
Most Expensive
B
MOH London
LG485161846 · Oct 29
$8,782 USD
£6,915 GBP
View
9 more retailers have this diamond
Prices start from $1,370 USDSave up to $7,412 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
2.50ct Round
$1,370 USD