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Oval|Natural|GIA

1.51ct M SI2 Oval Natural Diamond

ID • M/SI2 • GIA 6532666645

Certificate GIA 6532666645

Diamond specifications and retailer prices

From HK$17,321 HKD
As of November 3, 2026
Save HK$18,880 HKD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$36,201 HKD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532666645. Listed at 6 retailers as of November 2, 2026, with prices from HK$17,321 to HK$36,201, a HK$18,880 spread on the same certified stone. NZ Jewellers lists it at HK$36,201. 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
M
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.94°
Pavilion angle40.28°
OriginNatural
Grading LabGIA
CertificateGIA 6532666645
Dimensions8.97 × 6.42 × 4.03 mm
L/W Ratio1.40
Top View
8.97 mm6.42 mm1.51 ctM / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6532666645
Side View
Table 61.0%Crown 37.94°GirdlePavilion 40.28°CuletDepth 62.7%

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$36,201 HKD|Low: HK$17,321 HKD|High: HK$36,217 HKD|Avg: HK$21,178 HKD|-0.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5HK$17,321 HKD
Retailer 3HK$17,807 HKD
Retailer 4HK$18,120 HKD
Retailer 6HK$18,261 HKD
Retailer 8HK$19,233 HKD
Retailer 2HK$19,413 HKD
Retailer 7HK$21,294 HKD
NZ JewellersHK$36,201 HKD

44 data points across 8 retailers

6 retailersHK$17,321 HKD to HK$36,201 HKD

A
Cheapest Retailer
-
HK$17,321 HKD
A
Retailer 2
-
HK$17,807 HKD
View
B+
Retailer 3
-
HK$18,120 HKD
View
B+
Retailer 4
-
HK$18,261 HKD
View
B+
Retailer 5
-
HK$19,413 HKD
View
Most Expensive
B
NZ Jewellers
c9a91147-1d70-4a0e-a0c1-0d8c696b7b7c · Nov 2
HK$36,201 HKD
$4,619 USD
View
5 more retailers have this diamond
Prices start from HK$17,321 HKDSave up to HK$18,880 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$17,321 HKD