Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2245063367

Certificate GIA 2245063367

Diamond specifications and retailer prices

From HK$27,014 HKD
As of November 1, 2026
Save HK$37,234 HKD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$64,248 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 2245063367. Listed at 9 retailers as of October 30, 2026, with prices from HK$27,014 to HK$64,248, a HK$37,234 spread on the same certified stone. NZ Jewellers lists it at HK$64,248. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.09°
OriginNatural
Grading LabGIA
CertificateGIA 2245063367
Dimensions8.97 × 6.23 × 4.03 mm
L/W Ratio1.44
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
8.97 mm6.23 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245063367
Side View
Table 59.0%CrownGirdle: STK-THKPavilion 36.09°Culet: NoneDepth 64.7%

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 1
Current: HK$64,248 HKD|Low: HK$26,813 HKD|High: HK$68,485 HKD|Avg: HK$42,525 HKD|-6.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7HK$27,014 HKD
Retailer 6HK$32,505 HKD
Retailer 9HK$34,980 HKD
Retailer 3HK$35,482 HKD
Retailer 5HK$36,875 HKD
Retailer 8HK$37,487 HKD
Retailer 2HK$41,684 HKD
Retailer 4HK$58,738 HKD
NZ JewellersHK$64,248 HKD

33 data points across 9 retailers

9 retailersHK$27,014 HKD to HK$64,248 HKD

A
Cheapest Retailer
-
HK$27,014 HKD
B+
Retailer 2
-
HK$32,505 HKD
$4,143 USD
View
B+
Retailer 3
-
HK$34,980 HKD
SGD 6,025 SGD
View
B+
Retailer 4
-
HK$35,482 HKD
£3,561 GBP
View
B+
Retailer 5
-
HK$36,875 HKD
$4,700 USD
View
B+
Retailer 6
-
HK$37,487 HKD
$4,778 USD
View
B+
Retailer 7
-
HK$41,684 HKD
€5,060 EUR
View
B
Retailer 8
-
HK$58,738 HKD
£5,895 GBP
View
Most Expensive
B
NZ Jewellers
eb5d03ee-47f6-44f0-a5a7-9fd7c8999cc4 · Oct 30
HK$64,248 HKD
$8,189 USD
View
8 more retailers have this diamond
Prices start from HK$27,014 HKDSave up to HK$37,234 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$27,014 HKD