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Oval|Natural|IGI

1.51ct G SI2 Oval Natural Diamond

ID • G/SI2 • IGI 797

Certificate IGI 797

Diamond specifications and retailer prices

From HK$20,589 HKD
As of November 6, 2026
Save HK$15,158 HKD (42%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$39,483 HKD at Wholesale Diamonds Direct · As of October 9, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 7 retailers as of November 6, 2026, with a 74% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.51
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 797
Dimensions8.96 × 6.42 × 3.93 mm
L/W Ratio1.40
Top View
8.96 mm6.42 mm1.51 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 797
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.2%

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 6
Current: HK$20,589 HKD|Low: HK$16,122 HKD|High: HK$40,649 HKD|Avg: HK$25,221 HKD|-12.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 6, 2026
Retailer 6HK$16,122 HKD
Retailer 1HK$20,589 HKD
Retailer 3HK$20,691 HKD
Retailer 2HK$20,942 HKD
Retailer 4HK$25,362 HKD
Retailer 5HK$28,089 HKD
Wholesale Diamonds DirectHK$35,750 HKD

32 data points across 7 retailers

7 retailersHK$20,589 HKD to HK$35,746 HKD

A
Cheapest Retailer
-
HK$20,589 HKD
A
Retailer 2
-
HK$20,691 HKD
View
A
Retailer 3
-
HK$20,942 HKD
View
A
Retailer 4
-
HK$25,362 HKD
View
A
Retailer 5
-
HK$35,746 HKD
View
Retailer 6
-
HK$37,784 HKD
View
Price last confirmed 18 days ago
Most Expensive
Wholesale Diamonds Direct
403843561 · Oct 9
HK$39,483 HKD
$5,038 USD
View
Price last confirmed 28 days ago
6 more retailers have this diamond
Prices start from HK$20,589 HKDSave up to HK$15,158 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
1.51ct Oval
HK$20,589 HKD