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Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2231531483

Certificate GIA 2231531483

Diamond specifications and retailer prices

From HK$39,882 HKD
$5,083 USD
As of November 1, 2026
Save HK$44,527 HKD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$84,408 HKD at NZ Jewellers · As of September 18, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2231531483. Listed at 19 retailers as of November 1, 2026, with a 112% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2231531483
Dimensions7.33 × 7.30 × 4.56 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Top View
7.33 mm7.30 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231531483
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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$84,408 HKD|Low: HK$38,681 HKD|High: HK$84,408 HKD|Avg: HK$54,068 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6HK$40,054 HKD
Retailer 7HK$42,196 HKD
Retailer 8HK$45,719 HKD
Retailer 9HK$45,719 HKD
Retailer 10HK$45,719 HKD
Retailer 2HK$47,689 HKD
Retailer 11HK$52,757 HKD
Retailer 3HK$54,525 HKD
Retailer 5HK$54,901 HKD
Retailer 4HK$74,355 HKD
NZ JewellersHK$84,408 HKD

41 data points across 11 retailers

19 retailersHK$39,882 HKD to HK$84,408 HKD

A
Cheapest Retailer
-
HK$39,882 HKD
$5,083 USD
A
Retailer 2
-
HK$40,054 HKD
$5,105 USD
View
A
Retailer 3
-
HK$42,196 HKD
$5,378 USD
View
Final sale: no returns
A
Retailer 4
-
HK$45,719 HKD
$5,827 USD
View
A
Retailer 5
-
HK$45,719 HKD
$5,827 USD
View
Retailer 6
-
HK$45,719 HKD
$5,827 USD
View
Price last confirmed 46 days ago
A
Retailer 7
-
HK$45,719 HKD
$5,827 USD
View
A
Retailer 8
-
HK$47,689 HKD
£4,786 GBP
View
Retailer 9
-
HK$52,757 HKD
$6,724 USD
View
Price last confirmed 46 days ago
B+
Retailer 10
-
HK$52,757 HKD
$6,724 USD
View
B+
Retailer 11
-
HK$53,118 HKD
$6,770 USD
View
B+
Retailer 12
-
HK$53,118 HKD
$6,770 USD
View
B+
Retailer 13
-
HK$54,525 HKD
$6,949 USD
View
B+
Retailer 14
-
HK$54,901 HKD
€6,664 EUR
View
B+
Retailer 15
-
HK$54,923 HKD
$7,000 USD
View
Retailer 16
-
HK$55,637 HKD
$7,091 USD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
HK$74,355 HKD
£7,462 GBP
View
B
Retailer 18
-
HK$84,408 HKD
$10,758 USD
View
Most Expensive
NZ Jewellers
7aaba094-6183-4942-b78e-fd6fa58c6b60 · Sep 18
HK$84,408 HKD
$10,758 USD
View
Price last confirmed 45 days ago
18 more retailers have this diamond
Prices start from HK$39,882 HKDSave up to HK$44,527 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 Round
HK$39,882 HKD