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1.51ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2235864871

Certificate GIA 2235864871

Diamond specifications and retailer prices

From HK$44,266 HKD
As of November 4, 2026
Save HK$49,438 HKD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$93,704 HKD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2235864871. Listed at 17 retailers as of November 4, 2026, with prices from HK$44,266 to HK$93,704, a HK$49,438 spread on the same certified stone. NZ Jewellers lists it at HK$93,704. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2235864871
Dimensions7.30 × 7.26 × 4.58 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.30 mm7.26 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235864871
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$93,704 HKD|Low: HK$42,941 HKD|High: HK$93,704 HKD|Avg: HK$61,345 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
November 6, 2026
Retailer 9HK$46,844 HKD
Retailer 3HK$50,755 HKD
Retailer 10HK$50,755 HKD
Retailer 11HK$50,755 HKD
Retailer 5HK$52,848 HKD
Retailer 2HK$54,337 HKD
Retailer 6HK$57,581 HKD
Retailer 12HK$58,569 HKD
Retailer 4HK$66,790 HKD
Retailer 7HK$77,872 HKD
Retailer 8HK$81,227 HKD
NZ JewellersHK$93,704 HKD

40 data points across 12 retailers

17 retailersHK$44,266 HKD to HK$93,704 HKD

B+
Cheapest Retailer
-
HK$44,266 HKD
B+
Retailer 2
-
HK$45,974 HKD
View
B+
Retailer 3
-
HK$46,844 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$50,755 HKD
View
Retailer 5
-
HK$50,755 HKD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$50,755 HKD
View
B+
Retailer 7
-
HK$51,695 HKD
View
B+
Retailer 8
-
HK$52,848 HKD
View
B+
Retailer 9
-
HK$54,337 HKD
View
B
Retailer 10
-
HK$56,429 HKD
View
B
Retailer 11
-
HK$56,429 HKD
View
B
Retailer 12
-
HK$57,581 HKD
View
B
Retailer 13
-
HK$58,310 HKD
View
B
Retailer 14
-
HK$58,569 HKD
View
B
Retailer 15
-
HK$77,872 HKD
View
B
Retailer 16
-
HK$81,227 HKD
View
Most Expensive
B
NZ Jewellers
6cca4859-36cc-4e7e-8995-258bec1d02d7 · Nov 5
HK$93,704 HKD
$11,956 USD
View
16 more retailers have this diamond
Prices start from HK$44,266 HKDSave up to HK$49,438 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.

B+
1.51ct Round
HK$44,266 HKD