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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1559762644

Certificate GIA 1559762644

Diamond specifications and retailer prices

From HK$37,801 HKD
$4,818 USD
As of October 31, 2026
Save HK$45,882 HKD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$83,682 HKD at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559762644. Listed at 20 retailers as of October 30, 2026, with prices from HK$37,801 to HK$83,682, a HK$45,882 spread on the same certified stone. NZ Jewellers lists it at HK$83,682. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1559762644
Dimensions7.28 × 7.33 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.28 mm7.33 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559762644
Side View
Table 59.0%Crown 36°Girdle: STK-STKPavilion 41°Culet: NoneDepth 62.4%

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$83,682 HKD|Low: HK$37,801 HKD|High: HK$83,682 HKD|Avg: HK$53,857 HKD|+17.3%
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
November 2, 2026
Retailer 11HK$37,801 HKD
Retailer 8HK$38,326 HKD
Retailer 6HK$39,534 HKD
Retailer 5HK$41,841 HKD
Retailer 3HK$45,332 HKD
Retailer 13HK$45,332 HKD
Retailer 14HK$45,332 HKD
Retailer 2HK$47,282 HKD
Retailer 4HK$52,299 HKD
Retailer 7HK$54,437 HKD
Retailer 9HK$60,428 HKD
Retailer 10HK$73,714 HKD
Retailer 12HK$78,118 HKD
NZ JewellersHK$83,682 HKD

25 data points across 14 retailers

20 retailersHK$37,801 HKD to HK$83,682 HKD

A
Cheapest Retailer
-
HK$37,801 HKD
$4,818 USD
A
Retailer 2
-
HK$38,326 HKD
$4,885 USD
View
A
Retailer 3
-
HK$39,534 HKD
$5,039 USD
View
B+
Retailer 4
-
HK$41,841 HKD
$5,333 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$44,748 HKD
$5,703 USD
View
B+
Retailer 6
-
HK$45,332 HKD
$5,778 USD
View
B+
Retailer 7
-
HK$45,332 HKD
$5,778 USD
View
B+
Retailer 8
-
HK$45,332 HKD
$5,778 USD
View
B+
Retailer 9
-
HK$45,560 HKD
$5,807 USD
View
B+
Retailer 10
-
HK$47,282 HKD
£4,745 GBP
View
B+
Retailer 11
-
HK$48,643 HKD
$6,200 USD
View
B+
Retailer 12
-
HK$48,643 HKD
$6,200 USD
View
B+
Retailer 13
-
HK$50,212 HKD
$6,400 USD
View
B+
Retailer 14
-
HK$52,299 HKD
$6,666 USD
View
B+
Retailer 15
-
HK$54,437 HKD
€6,608 EUR
View
Retailer 16
-
HK$55,179 HKD
$7,033 USD
View
Price last confirmed 18 days ago
B+
Retailer 17
-
HK$60,428 HKD
£6,065 GBP
View
B
Retailer 18
-
HK$73,714 HKD
£7,398 GBP
View
B
Retailer 19
-
HK$78,118 HKD
£7,840 GBP
View
Most Expensive
B
NZ Jewellers
acae055a-3203-40ce-bc1b-966d8c4cac9b · Oct 30
HK$83,682 HKD
$10,666 USD
View
19 more retailers have this diamond
Prices start from HK$37,801 HKDSave up to HK$45,882 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$37,801 HKD