Oval|Natural|GIA

1.51ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 5231939776

Certificate GIA 5231939776

Diamond specifications and retailer prices

From HK$40,194 HKD
$5,123 USD
As of November 1, 2026
Save HK$49,859 HKD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$90,053 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231939776. Listed at 22 retailers as of October 30, 2026, with prices from HK$40,194 to HK$90,053, a HK$49,859 spread on the same certified stone. NZ Jewellers lists it at HK$90,053. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle36.75°
OriginNatural
Grading LabGIA
CertificateGIA 5231939776
Dimensions8.99 × 6.34 × 4.05 mm
L/W Ratio1.42
Top View
8.99 mm6.34 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231939776
Side View
Table 58.0%CrownGirdle: MED-THKPavilion 36.75°Culet: NoneDepth 63.9%

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 1
Current: HK$90,053 HKD|Low: HK$32,638 HKD|High: HK$90,053 HKD|Avg: HK$49,316 HKD|+16.2%
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
Retailer 20
Retailer 21
November 1, 2026
Retailer 10HK$32,638 HKD
Retailer 12HK$40,123 HKD
Retailer 21HK$40,194 HKD
Retailer 8HK$41,279 HKD
Retailer 9HK$43,353 HKD
Retailer 5HK$44,505 HKD
Retailer 11HK$44,909 HKD
Retailer 19HK$45,026 HKD
Retailer 15HK$45,497 HKD
Retailer 14HK$45,615 HKD
Retailer 18HK$46,572 HKD
Retailer 16HK$50,158 HKD
Retailer 4HK$51,256 HKD
Retailer 17HK$51,946 HKD
Retailer 2HK$52,142 HKD
Retailer 3HK$54,841 HKD
Retailer 6HK$54,841 HKD
Retailer 13HK$55,928 HKD
Retailer 7HK$56,646 HKD
Retailer 20HK$79,433 HKD
NZ JewellersHK$90,053 HKD

31 data points across 21 retailers

22 retailersHK$40,194 HKD to HK$90,053 HKD

Retailer 1
-
HK$32,638 HKD
Price last confirmed 18 days ago
Retailer 2
-
HK$40,123 HKD
$5,114 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
HK$40,194 HKD
$5,123 USD
View
Retailer 4
-
HK$41,279 HKD
SGD 7,110 SGD
View
Price last confirmed 17 days ago
Retailer 5
-
HK$43,353 HKD
£4,351 GBP
View
Price last confirmed 18 days ago
A
Retailer 6
-
HK$44,505 HKD
$5,673 USD
View
Retailer 7
-
HK$44,909 HKD
$5,724 USD
View
Price last confirmed 25 days ago
B+
Retailer 8
-
HK$45,026 HKD
$5,739 USD
View
Final sale: no returns
A
Retailer 9
-
HK$45,497 HKD
CA$8,054 CAD
View
Retailer 10
-
HK$45,615 HKD
$5,814 USD
View
Price last confirmed 33 days ago
A
Retailer 11
-
HK$46,572 HKD
$5,936 USD
View
B+
Retailer 12
-
HK$50,158 HKD
$6,393 USD
View
B+
Retailer 13
-
HK$51,256 HKD
$6,533 USD
View
B+
Retailer 14
-
HK$51,946 HKD
$6,621 USD
View
B+
Retailer 15
-
HK$52,142 HKD
£5,233 GBP
View
B+
Retailer 16
-
HK$54,841 HKD
$6,990 USD
View
B+
Retailer 17
-
HK$54,841 HKD
$6,990 USD
View
B+
Retailer 18
-
HK$55,928 HKD
€6,789 EUR
View
B+
Retailer 19
-
HK$56,646 HKD
$7,220 USD
View
Retailer 20
-
HK$75,107 HKD
$9,573 USD
View
Price last confirmed 23 days ago
B
Retailer 21
-
HK$79,433 HKD
£7,972 GBP
View
Most Expensive
B
NZ Jewellers
ecc6dc5c-dc11-47c2-bc80-334fc94d5ca7 · Oct 30
HK$90,053 HKD
$11,478 USD
View
21 more retailers have this diamond
Prices start from HK$40,194 HKDSave up to HK$49,859 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$40,194 HKD