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Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 6535853653

Certificate GIA 6535853653

Diamond specifications and retailer prices

From HK$28,276 HKD
$3,604 USD
As of October 31, 2026
Save HK$30,512 HKD (52%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$58,788 HKD at NZ Jewellers · As of October 30, 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 6535853653. Listed at 21 retailers as of October 30, 2026, with prices from HK$28,276 to HK$58,788, a HK$30,512 spread on the same certified stone. NZ Jewellers lists it at HK$58,788. 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
FluorescenceFaint
Crown angle35.58°
OriginNatural
Grading LabGIA
CertificateGIA 6535853653
Dimensions9.12 × 6.46 × 4.07 mm
L/W Ratio1.41
Top View
9.12 mm6.46 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6535853653
Side View
Table 60.0%Crown 35.58°Girdle: SLI-THKPavilionCulet: NoneDepth 63.0%

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: Oct 31
Current: HK$58,788 HKD|Low: HK$27,287 HKD|High: HK$58,788 HKD|Avg: HK$36,969 HKD
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
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 11HK$28,276 HKD
Retailer 7HK$29,688 HKD
Retailer 13HK$30,167 HKD
Retailer 3HK$30,763 HKD
Retailer 8HK$31,147 HKD
Retailer 9HK$32,010 HKD
Retailer 14HK$32,468 HKD
Retailer 17HK$33,744 HKD
Retailer 18HK$33,744 HKD
Retailer 19HK$33,744 HKD
Retailer 12HK$34,233 HKD
Retailer 6HK$34,908 HKD
Retailer 10HK$34,992 HKD
Retailer 4HK$35,690 HKD
Retailer 2HK$38,175 HKD
Retailer 5HK$38,938 HKD
Retailer 16HK$41,477 HKD
Retailer 15HK$53,746 HKD
NZ JewellersHK$58,788 HKD

24 data points across 19 retailers

21 retailersHK$28,276 HKD to HK$58,788 HKD

A
Cheapest Retailer
-
HK$28,276 HKD
$3,604 USD
A
Retailer 2
-
HK$29,688 HKD
$3,784 USD
View
A
Retailer 3
-
HK$30,167 HKD
$3,845 USD
View
A
Retailer 4
-
HK$30,763 HKD
$3,921 USD
View
A
Retailer 5
-
HK$31,147 HKD
$3,970 USD
View
Final sale: no returns
A
Retailer 6
-
HK$32,010 HKD
$4,080 USD
View
A
Retailer 7
-
HK$32,468 HKD
£3,258 GBP
View
B+
Retailer 8
-
HK$33,744 HKD
$4,301 USD
View
B+
Retailer 9
-
HK$33,744 HKD
$4,301 USD
View
B+
Retailer 10
-
HK$33,744 HKD
$4,301 USD
View
B+
Retailer 11
-
HK$34,233 HKD
£3,436 GBP
View
B+
Retailer 12
-
HK$34,908 HKD
$4,449 USD
View
B+
Retailer 13
-
HK$34,992 HKD
$4,460 USD
View
B+
Retailer 14
-
HK$35,690 HKD
$4,549 USD
View
Retailer 15
-
HK$36,616 HKD
A$7,180 AUD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
HK$38,175 HKD
€4,634 EUR
View
B+
Retailer 17
-
HK$38,938 HKD
$4,963 USD
View
B+
Retailer 18
-
HK$41,477 HKD
ZAR 85,406 ZAR
View
B
Retailer 19
-
HK$53,746 HKD
£5,394 GBP
View
Retailer 20
-
HK$55,791 HKD
$7,111 USD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
9d590c74-603f-4327-ba15-8433d252e1d6 · Oct 30
HK$58,788 HKD
$7,493 USD
View
20 more retailers have this diamond
Prices start from HK$28,276 HKDSave up to HK$30,512 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$28,276 HKD