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Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 1569500791

Certificate GIA 1569500791

Diamond specifications and retailer prices

From HK$20,863 HKD
As of November 6, 2026
Save HK$29,006 HKD (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$49,869 HKD at NZ Jewellers · As of November 5, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1569500791. Listed at 16 retailers as of November 5, 2026, with prices from HK$20,863 to HK$49,869, a HK$29,006 spread on the same certified stone. NZ Jewellers lists it at HK$49,869. 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
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1569500791
Dimensions8.89 × 6.34 × 4.03 mm
L/W Ratio1.40
Girdle conditionFaceted
Top View
8.89 mm6.34 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1569500791
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.7%

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 6
Current: HK$49,869 HKD|Low: HK$20,362 HKD|High: HK$52,895 HKD|Avg: HK$31,783 HKD|-5.7%
NZ Jewellers
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 3HK$20,863 HKD
Retailer 8HK$22,297 HKD
Retailer 7HK$25,511 HKD
Retailer 16HK$25,887 HKD
Retailer 5HK$26,420 HKD
Retailer 12HK$26,906 HKD
Retailer 10HK$27,392 HKD
Retailer 14HK$28,042 HKD
Retailer 11HK$29,045 HKD
Retailer 2HK$30,981 HKD
Retailer 6HK$31,585 HKD
Retailer 4HK$33,497 HKD
Retailer 13HK$34,939 HKD
Retailer 9HK$44,046 HKD
Retailer 15HK$47,745 HKD
NZ JewellersHK$49,869 HKD

22 data points across 16 retailers

16 retailersHK$20,863 HKD to HK$49,869 HKD

A
Cheapest Retailer
-
HK$20,863 HKD
A
Retailer 2
-
HK$22,297 HKD
View
A
Retailer 3
-
HK$25,511 HKD
View
A
Retailer 4
-
HK$25,887 HKD
View
A
Retailer 5
-
HK$26,420 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$26,906 HKD
View
A
Retailer 7
-
HK$27,392 HKD
View
A
Retailer 8
-
HK$28,042 HKD
View
A
Retailer 9
-
HK$29,045 HKD
View
B+
Retailer 10
-
HK$30,981 HKD
View
B+
Retailer 11
-
HK$31,585 HKD
View
B+
Retailer 12
-
HK$33,497 HKD
View
B+
Retailer 13
-
HK$34,939 HKD
View
B+
Retailer 14
-
HK$44,046 HKD
View
B
Retailer 15
-
HK$47,745 HKD
View
Most Expensive
B
NZ Jewellers
176928f9-5f78-4821-9886-4893f2b51c6c · Nov 5
HK$49,869 HKD
$6,363 USD
View
15 more retailers have this diamond
Prices start from HK$20,863 HKDSave up to HK$29,006 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$20,863 HKD