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Round|Natural|GIA

1.51ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5546985835

Certificate GIA 5546985835

Diamond specifications and retailer prices

From HK$18,052 HKD
As of November 6, 2026
Save HK$49,709 HKD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$67,761 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5546985835. Listed at 18 retailers as of November 4, 2026, with prices from HK$18,052 to HK$67,761, a HK$49,709 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$67,761. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5546985835
Dimensions7.27 × 7.32 × 4.58 mm
L/W Ratio1.01
Top View
7.27 mm7.32 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546985835
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$18,052 HKD|Low: HK$18,052 HKD|High: HK$41,642 HKD|Avg: HK$26,310 HKD|-2.7%
Retailer 1
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
November 6, 2026
Retailer 1HK$18,052 HKD
Retailer 13HK$21,410 HKD
Retailer 12HK$21,417 HKD
Retailer 3HK$22,900 HKD
Retailer 2HK$23,904 HKD
Retailer 4HK$23,904 HKD
Retailer 7HK$23,904 HKD
Retailer 5HK$24,822 HKD
Retailer 8HK$25,003 HKD
Retailer 6HK$25,018 HKD
Retailer 9HK$26,156 HKD
Retailer 15HK$27,576 HKD
Retailer 10HK$29,168 HKD
Retailer 11HK$39,861 HKD
Retailer 14HK$41,642 HKD

32 data points across 15 retailers

18 retailersHK$18,052 HKD to HK$67,761 HKD

A
Cheapest Retailer
-
HK$18,052 HKD
A
Retailer 2
-
HK$21,410 HKD
View
A
Retailer 3
-
HK$21,417 HKD
View
A
Retailer 4
-
HK$22,900 HKD
View
Retailer 5
-
HK$23,700 HKD
View
Price last confirmed 60 days ago
A
Retailer 6
-
HK$23,904 HKD
View
Retailer 7
-
HK$23,904 HKD
View
Price last confirmed 12 days ago
A
Retailer 8
-
HK$23,904 HKD
View
A
Retailer 9
-
HK$24,822 HKD
View
A
Retailer 10
-
HK$25,003 HKD
View
A
Retailer 11
-
HK$25,018 HKD
View
A
Retailer 12
-
HK$26,156 HKD
View
Retailer 13
-
HK$27,341 HKD
View
Price last confirmed 60 days ago
A
Retailer 14
-
HK$27,576 HKD
View
A
Retailer 15
-
HK$29,168 HKD
View
B+
Retailer 16
-
HK$39,861 HKD
View
B
Retailer 17
-
HK$41,642 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
44512617 · Nov 4
HK$67,761 HKD
$8,637 USD
View
17 more retailers have this diamond
Prices start from HK$18,052 HKDSave up to HK$49,709 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$18,052 HKD