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1.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5566171647

Certificate GIA 5566171647

Diamond specifications and retailer prices

From HK$37,878 HKD
As of November 7, 2026
Save HK$39,558 HKD (51%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$77,437 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5566171647. Listed at 9 retailers as of November 6, 2026, with prices from HK$37,878 to HK$77,437, a HK$39,558 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$77,437. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5566171647
Dimensions7.27 × 4.55 × 4.55 mm
L/W Ratio1.60
Culet sizeNone
Top View
7.27 mm4.55 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566171647
Side View
Table 59.0%Crown 36°Girdle: MED-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: Nov 7
Current: HK$37,878 HKD|Low: HK$37,878 HKD|High: HK$82,882 HKD|Avg: HK$55,800 HKD|-7.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 7, 2026
Retailer 1HK$37,878 HKD
Retailer 8HK$41,844 HKD
Retailer 3HK$45,300 HKD
Retailer 5HK$46,977 HKD
Retailer 7HK$52,871 HKD
Retailer 2HK$53,004 HKD
Retailer 4HK$59,329 HKD
Retailer 6HK$72,135 HKD
Wholesale Diamonds DirectHK$77,437 HKD

34 data points across 9 retailers

9 retailersHK$37,878 HKD to HK$77,437 HKD

A
Cheapest Retailer
-
HK$37,878 HKD
A
Retailer 2
-
HK$41,844 HKD
View
A
Retailer 3
-
HK$45,300 HKD
View
B+
Retailer 4
-
HK$46,977 HKD
View
B+
Retailer 5
-
HK$52,871 HKD
View
B+
Retailer 6
-
HK$53,004 HKD
View
B+
Retailer 7
-
HK$59,329 HKD
View
B
Retailer 8
-
HK$72,135 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
378293298 · Nov 6
HK$77,437 HKD
$9,880 USD
View
8 more retailers have this diamond
Prices start from HK$37,878 HKDSave up to HK$39,558 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$37,878 HKD