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Round|Natural|GIA

1.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6561440326

Certificate GIA 6561440326

Diamond specifications and retailer prices

From HK$16,138 HKD
As of November 5, 2026
Save HK$15,295 HKD (49%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$31,433 HKD at Wholesale Diamonds Direct · As of November 4, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561440326. Listed at 9 retailers as of November 4, 2026, with prices from HK$16,138 to HK$31,433, a HK$15,295 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$31,433. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6561440326
Dimensions7.33 × 4.55 × 4.55 mm
L/W Ratio1.61
Culet sizeNone
Top View
7.33 mm4.55 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561440326
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.9%

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 5
Current: HK$16,138 HKD|Low: HK$16,051 HKD|High: HK$35,574 HKD|Avg: HK$23,850 HKD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 5, 2026
Retailer 1HK$16,138 HKD
Retailer 7HK$19,182 HKD
Retailer 4HK$20,060 HKD
Retailer 6HK$20,060 HKD
Retailer 3HK$20,343 HKD
Retailer 2HK$23,002 HKD
Retailer 5HK$23,857 HKD
Retailer 8HK$25,089 HKD
Wholesale Diamonds DirectHK$31,433 HKD

18 data points across 9 retailers

9 retailersHK$16,138 HKD to HK$31,433 HKD

A
Cheapest Retailer
-
HK$16,138 HKD
A
Retailer 2
-
HK$19,182 HKD
View
A
Retailer 3
-
HK$20,060 HKD
View
A
Retailer 4
-
HK$20,060 HKD
View
A
Retailer 5
-
HK$20,343 HKD
View
A
Retailer 6
-
HK$23,002 HKD
View
A
Retailer 7
-
HK$23,857 HKD
View
Retailer 8
-
HK$25,089 HKD
View
Price last confirmed 11 days ago
Most Expensive
B+
Wholesale Diamonds Direct
570704302 · Nov 4
HK$31,433 HKD
$4,007 USD
View
8 more retailers have this diamond
Prices start from HK$16,138 HKDSave up to HK$15,295 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$16,138 HKD