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Oval|Lab Grown|IGI

2.55ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG773644804

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG773644804

Diamond specifications and retailer prices

From $813 AUD
$571 USD
As of October 30, 2026
Save $1,158 AUD (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,971 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 2.55ct lab-grown oval diamond

This 2.55ct lab-grown oval sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG773644804 or 773644804. Listed at 5 retailers as of October 26, 2026, with prices from $813 to $1,971, a $1,158 spread on the same certified stone. MOH London lists it at $1,971. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773644804
Dimensions10.74 × 7.90 × 4.76 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.74 mm7.90 mm2.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773644804
Side View
Table 58.0%Crown 33.4°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 60.3%

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: Oct 30
Current: $1,971 AUD|Low: $767 AUD|High: $1,989 AUD|Avg: $1,269 AUD|+1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 5$813 AUD
Retailer 2$865 AUD
Retailer 4$922 AUD
Retailer 3$1,145 AUD
Retailer 6$1,968 AUD
MOH London$1,971 AUD

25 data points across 6 retailers

5 retailers$813 AUD to $1,971 AUD

B+
Cheapest Retailer
-
$813 AUD
$571 USD
A
Retailer 2
-
$865 AUD
£479 GBP
View
A
Retailer 3
-
$922 AUD
$648 USD
View
B+
Retailer 4
-
$1,145 AUD
$804 USD
View
Most Expensive
B
MOH London
LG773644804 · Oct 26
$1,971 AUD
£1,090 GBP
View
4 more retailers have this diamond
Prices start from $813 AUDSave up to $1,158 AUD

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 Oval
$813 AUD