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Round|Lab Grown|IGI

2.53ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG499191824

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499191824

Diamond specifications and retailer prices

From $1,550 USD
As of October 29, 2026
Save $8,192 USD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,742 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.53ct lab-grown round diamond

This 2.53ct lab-grown round 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 LG499191824 or 499191824. Listed at 11 retailers as of October 29, 2026, with prices from $1,550 to $9,742, a $8,192 spread on the same certified stone. MOH London lists it at $9,742. 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

2.53
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499191824
Dimensions8.87 × 8.83 × 5.32 mm
L/W Ratio1.00
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
8.87 mm8.83 mm2.53 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499191824
Side View
Table 58.5%Crown 32.9°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 60.2%

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: $9,742 USD|Low: $1,550 USD|High: $9,820 USD|Avg: $5,038 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 4$1,550 USD
Retailer 3$3,296 USD
Retailer 7$3,691 USD
Retailer 5$3,823 USD
Retailer 8$3,980 USD
Retailer 9$4,446 USD
Retailer 2$5,273 USD
Retailer 6$5,935 USD
Retailer 10$7,169 USD
MOH London$9,742 USD

15 data points across 10 retailers

11 retailers$1,550 USD to $9,742 USD

A
Cheapest Retailer
-
$1,550 USD
B+
Retailer 2
-
$3,296 USD
View
B+
Retailer 3
-
$3,586 USD
View
B+
Retailer 4
-
$3,691 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,823 USD
View
Retailer 6
-
$3,823 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$3,980 USD
View
B
Retailer 8
-
$4,777 USD
View
B
Retailer 9
-
$5,273 USD
View
B
Retailer 10
-
$5,935 USD
View
Most Expensive
B
MOH London
LG499191824 · Oct 29
$9,742 USD
£7,671 GBP
View
10 more retailers have this diamond
Prices start from $1,550 USDSave up to $8,192 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
2.53ct Round
$1,550 USD