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1.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 5231835612

Certificate GIA 5231835612

Diamond specifications and retailer prices

From HK$31,937 HKD
As of November 1, 2026
Save HK$35,643 HKD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$67,580 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231835612. Listed at 14 retailers as of November 1, 2026, with prices from HK$31,937 to HK$67,580, a HK$35,643 spread on the same certified stone. MOH London lists it at HK$67,580. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5231835612
Dimensions7.28 × 7.31 × 4.54 mm
L/W Ratio1.00
Top View
7.28 mm7.31 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5231835612
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.3%

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 1
Current: HK$67,580 HKD|Low: HK$31,937 HKD|High: HK$69,981 HKD|Avg: HK$43,878 HKD|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11HK$31,937 HKD
Retailer 10HK$33,519 HKD
Retailer 8HK$35,480 HKD
Retailer 12HK$36,441 HKD
Retailer 5HK$38,132 HKD
Retailer 7HK$38,521 HKD
Retailer 9HK$41,129 HKD
Retailer 4HK$42,884 HKD
Retailer 6HK$45,045 HKD
Retailer 2HK$47,832 HKD
Retailer 3HK$67,573 HKD
MOH LondonHK$67,580 HKD

26 data points across 12 retailers

14 retailersHK$31,937 HKD to HK$67,580 HKD

A
Cheapest Retailer
-
HK$31,937 HKD
A
Retailer 2
-
HK$33,519 HKD
$4,272 USD
View
A
Retailer 3
-
HK$35,480 HKD
$4,522 USD
View
Final sale: no returns
A
Retailer 4
-
HK$36,441 HKD
$4,644 USD
View
A
Retailer 5
-
HK$38,132 HKD
$4,860 USD
View
A
Retailer 6
-
HK$38,521 HKD
$4,910 USD
View
A
Retailer 7
-
HK$41,129 HKD
£4,127 GBP
View
A
Retailer 8
-
HK$42,884 HKD
SGD 7,386 SGD
View
A
Retailer 9
-
HK$43,798 HKD
A$8,588 AUD
View
A
Retailer 10
-
HK$45,045 HKD
£4,521 GBP
View
A
Retailer 11
-
HK$47,832 HKD
€5,806 EUR
View
Retailer 12
-
HK$49,540 HKD
$6,314 USD
View
Price last confirmed 16 days ago
Retailer 13
-
HK$67,573 HKD
$8,612 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
MOH London
16F4FA1BA · Nov 2
HK$67,580 HKD
£6,782 GBP
View
13 more retailers have this diamond
Prices start from HK$31,937 HKDSave up to HK$35,643 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$31,937 HKD