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Oval|Lab Grown|GIA

2.57ct G SI2 Oval Lab Grown Diamond

EX • G/SI2 • GIA 7421937247

Certificate GIA 7421937247

Diamond specifications and retailer prices

From $802 AUD
As of November 3, 2026
Save $3,514 AUD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,316 AUD at MOH London · As of November 3, 2026
View at MOH London

About this 2.57ct lab-grown oval diamond

This 2.57ct lab-grown oval sits in the two to three carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7421937247. Listed at 15 retailers as of November 3, 2026, with prices from $802 to $4,316, a $3,514 spread on the same certified stone. MOH London lists it at $4,316. 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

2.57
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 7421937247
Dimensions10.98 × 7.73 × 4.82 mm
L/W Ratio1.42
Top View
10.98 mm7.73 mm2.57 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7421937247
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.3%

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: Nov 3
Current: $4,316 AUD|Low: $758 AUD|High: $4,366 AUD|Avg: $1,846 AUD|+7.2%
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
Retailer 14
November 4, 2026
Retailer 6$802 AUD
Retailer 13$898 AUD
Retailer 10$994 AUD
Retailer 5$1,148 AUD
Retailer 2$1,324 AUD
Retailer 14$1,374 AUD
Retailer 8$1,422 AUD
Retailer 11$1,473 AUD
Retailer 4$1,535 AUD
Retailer 7$1,790 AUD
Retailer 3$2,241 AUD
Retailer 9$2,307 AUD
Retailer 12$2,614 AUD
MOH London$4,316 AUD

40 data points across 14 retailers

15 retailers$802 AUD to $4,316 AUD

A
Cheapest Retailer
-
$802 AUD
A
Retailer 2
-
$898 AUD
View
Retailer 3
-
$953 AUD
View
Price last confirmed 21 days ago
A
Retailer 4
-
$994 AUD
View
B+
Retailer 5
-
$1,148 AUD
View
Final sale: no returns
B+
Retailer 6
-
$1,324 AUD
View
B+
Retailer 7
-
$1,374 AUD
View
B+
Retailer 8
-
$1,422 AUD
View
B+
Retailer 9
-
$1,473 AUD
View
B+
Retailer 10
-
$1,535 AUD
View
B+
Retailer 11
-
$1,790 AUD
View
B
Retailer 12
-
$2,241 AUD
View
B
Retailer 13
-
$2,307 AUD
View
B
Retailer 14
-
$2,614 AUD
View
Most Expensive
B
MOH London
7421937247 · Nov 3
$4,316 AUD
£2,335 GBP
View
14 more retailers have this diamond
Prices start from $802 AUDSave up to $3,514 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
2.57ct Oval
$802 AUD