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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2557586665

Certificate GIA 2557586665

Diamond specifications and retailer prices

From HK$41,275 HKD
As of November 1, 2026
Save HK$52,434 HKD (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$93,709 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 2557586665. Listed at 17 retailers as of October 30, 2026, with prices from HK$41,275 to HK$93,709, a HK$52,434 spread on the same certified stone. NZ Jewellers lists it at HK$93,709. 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 angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2557586665
Dimensions7.25 × 7.31 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Needle
Top View
7.25 mm7.31 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557586665
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

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$93,709 HKD|Low: HK$40,625 HKD|High: HK$93,709 HKD|Avg: HK$57,974 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 13HK$41,275 HKD
Retailer 16HK$41,465 HKD
Retailer 5HK$44,273 HKD
Retailer 7HK$46,847 HKD
Retailer 3HK$50,762 HKD
Retailer 6HK$50,762 HKD
Retailer 15HK$50,762 HKD
Retailer 10HK$53,374 HKD
Retailer 2HK$55,722 HKD
Retailer 8HK$56,411 HKD
Retailer 17HK$56,411 HKD
Retailer 14HK$58,294 HKD
Retailer 4HK$58,568 HKD
Retailer 9HK$61,754 HKD
Retailer 11HK$67,669 HKD
Retailer 12HK$82,552 HKD
NZ JewellersHK$93,709 HKD

39 data points across 17 retailers

17 retailersHK$41,275 HKD to HK$93,709 HKD

A
Cheapest Retailer
-
HK$41,275 HKD
A
Retailer 2
-
HK$41,465 HKD
$5,285 USD
View
B+
Retailer 3
-
HK$44,273 HKD
$5,643 USD
View
B+
Retailer 4
-
HK$46,847 HKD
$5,971 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$50,762 HKD
$6,470 USD
View
B+
Retailer 6
-
HK$50,762 HKD
$6,470 USD
View
B+
Retailer 7
-
HK$50,762 HKD
$6,470 USD
View
B+
Retailer 8
-
HK$53,374 HKD
£5,357 GBP
View
B+
Retailer 9
-
HK$55,722 HKD
€6,764 EUR
View
B
Retailer 10
-
HK$56,411 HKD
$7,190 USD
View
B+
Retailer 11
-
HK$56,411 HKD
$7,190 USD
View
B
Retailer 12
-
HK$58,294 HKD
$7,430 USD
View
B
Retailer 13
-
HK$58,568 HKD
$7,465 USD
View
Retailer 14
-
HK$61,754 HKD
$7,871 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
HK$67,669 HKD
£6,791 GBP
View
B
Retailer 16
-
HK$82,552 HKD
£8,285 GBP
View
Most Expensive
B
NZ Jewellers
1b7dad14-d83a-4a6a-990d-39a4c693f98f · Oct 30
HK$93,709 HKD
$11,944 USD
View
16 more retailers have this diamond
Prices start from HK$41,275 HKDSave up to HK$52,434 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$41,275 HKD