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Round|Lab Grown|IGI

2.53ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG770653209

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770653209

Diamond specifications and retailer prices

From $374 USD
As of October 31, 2026
Save $1,294 USD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,668 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770653209 or 770653209. Listed at 14 retailers as of October 29, 2026, with prices from $374 to $1,668, a $1,294 spread on the same certified stone. MOH London lists it at $1,668. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770653209
Dimensions8.71 × 8.67 × 5.44 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.71 mm8.67 mm2.53 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770653209
Side View
Table 57.0%Crown 33.9°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

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 31
Current: $1,668 USD|Low: $374 USD|High: $2,870 USD|Avg: $1,085 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 12$374 USD
Retailer 13$414 USD
Retailer 11$625 USD
Retailer 8$668 USD
Retailer 6$730 USD
Retailer 10$786 USD
Retailer 3$847 USD
Retailer 7$1,214 USD
Retailer 9$1,320 USD
Retailer 2$1,420 USD
Retailer 5$1,432 USD
Retailer 4$1,615 USD
MOH London$1,668 USD

17 data points across 13 retailers

14 retailers$374 USD to $1,668 USD

Retailer 1
-
$320 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$374 USD
View
Final sale: no returns
Retailer 3
-
$387 USD
View
Price last confirmed 25 days ago
Retailer 4
-
$414 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$625 USD
View
B+
Retailer 6
-
$668 USD
View
A
Retailer 7
-
$730 USD
€695 EUR
View
A
Retailer 8
-
$786 USD
View
A
Retailer 9
-
$847 USD
View
B+
Retailer 10
-
$1,214 USD
View
B+
Retailer 11
-
$1,320 USD
SGD 1,784 SGD
View
Retailer 12
-
$1,331 USD
View
Price last confirmed 24 days ago
A
Retailer 13
-
$1,420 USD
View
Most Expensive
A
MOH London
LG770653209 · Oct 29
$1,668 USD
£1,313 GBP
View
13 more retailers have this diamond
Prices start from $374 USDSave up to $1,294 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
$374 USD