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Round|Lab Grown|IGI

2.55ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG733546382

Shape and cutting style on the report: Round brilliant

Certificate IGI LG733546382

Diamond specifications and retailer prices

From $655 USD
€624 EUR
As of October 29, 2026
Save $995 USD (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,650 USD at MOH London · As of November 1, 2026
View at MOH London

About this 2.55ct lab-grown round diamond

This 2.55ct lab-grown round sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733546382 or 733546382. Listed at 7 retailers as of October 29, 2026, with prices from $655 to $1,650, a $995 spread on the same certified stone. MOH London lists it at $1,650. 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

2.55
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733546382
Dimensions8.80 × 8.76 × 5.34 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.80 mm8.76 mm2.55 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733546382
Side View
Table 59.0%Crown 35.1°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.8%

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: $1,650 USD|Low: $556 USD|High: $1,670 USD|Avg: $963 USD|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4$655 USD
Retailer 6$666 USD
Retailer 3$735 USD
Retailer 5$785 USD
Retailer 7$849 USD
Retailer 2$1,465 USD
MOH London$1,650 USD

33 data points across 7 retailers

7 retailers$655 USD to $1,650 USD

A
Cheapest Retailer
-
$655 USD
€624 EUR
B+
Retailer 2
-
$666 USD
View
A
Retailer 3
-
$735 USD
£579 GBP
View
A
Retailer 4
-
$785 USD
View
B+
Retailer 5
-
$849 USD
View
B
Retailer 6
-
$1,465 USD
View
Most Expensive
B
MOH London
LG733546382 · Nov 1
$1,650 USD
£1,299 GBP
View
6 more retailers have this diamond
Prices start from $655 USDSave up to $995 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
2.55ct Round
$655 USD