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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 HK$4,318 HKD
As of November 3, 2026
Save HK$18,923 HKD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$23,241 HKD 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 HK$4,318 to HK$23,241, a HK$18,923 spread on the same certified stone. MOH London lists it at HK$23,241. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: HK$23,241 HKD|Low: HK$4,083 HKD|High: HK$23,512 HKD|Avg: HK$9,941 HKD|+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 6HK$4,318 HKD
Retailer 13HK$4,836 HKD
Retailer 10HK$5,353 HKD
Retailer 5HK$6,184 HKD
Retailer 2HK$7,132 HKD
Retailer 14HK$7,399 HKD
Retailer 8HK$7,657 HKD
Retailer 11HK$7,931 HKD
Retailer 4HK$8,268 HKD
Retailer 7HK$9,640 HKD
Retailer 3HK$12,070 HKD
Retailer 9HK$12,422 HKD
Retailer 12HK$14,076 HKD
MOH LondonHK$23,241 HKD

40 data points across 14 retailers

15 retailersHK$4,318 HKD to HK$23,241 HKD

A
Cheapest Retailer
-
HK$4,318 HKD
A
Retailer 2
-
HK$4,836 HKD
View
Retailer 3
-
HK$5,133 HKD
View
Price last confirmed 21 days ago
A
Retailer 4
-
HK$5,353 HKD
View
B+
Retailer 5
-
HK$6,184 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$7,132 HKD
View
B+
Retailer 7
-
HK$7,399 HKD
View
B+
Retailer 8
-
HK$7,657 HKD
View
B+
Retailer 9
-
HK$7,931 HKD
View
B+
Retailer 10
-
HK$8,268 HKD
View
B+
Retailer 11
-
HK$9,640 HKD
View
B
Retailer 12
-
HK$12,070 HKD
View
B
Retailer 13
-
HK$12,422 HKD
View
B
Retailer 14
-
HK$14,076 HKD
View
Most Expensive
B
MOH London
7421937247 · Nov 3
HK$23,241 HKD
£2,335 GBP
View
14 more retailers have this diamond
Prices start from HK$4,318 HKDSave up to HK$18,923 HKD

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
HK$4,318 HKD