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Radiant|Natural|GIA

1.51ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 7506516705

Certificate GIA 7506516705

Diamond specifications and retailer prices

From HK$45,782 HKD
$5,835 USD
As of October 28, 2026
Save HK$28,763 HKD (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$74,545 HKD at Cape Diamonds · As of October 31, 2026
View at Cape Diamonds

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7506516705. Listed at 7 retailers as of October 28, 2026, with prices from HK$45,782 to HK$74,545, a HK$28,763 spread on the same certified stone. Cape Diamonds lists it at HK$74,545. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7506516705
Dimensions7.19 × 5.71 × 3.88 mm
L/W Ratio1.26
Culet sizeNone
Top View
7.19 mm5.71 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7506516705
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.9%

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: Oct 28
Current: HK$74,545 HKD|Low: HK$44,001 HKD|High: HK$74,545 HKD|Avg: HK$54,035 HKD|+3.1%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 4HK$45,782 HKD
Retailer 6HK$46,990 HKD
Retailer 7HK$48,002 HKD
Retailer 5HK$48,403 HKD
Retailer 3HK$55,998 HKD
Retailer 2HK$60,888 HKD
Cape DiamondsHK$74,545 HKD

41 data points across 7 retailers

7 retailersHK$45,782 HKD to HK$74,545 HKD

A
Cheapest Retailer
-
HK$45,782 HKD
$5,835 USD
A
Retailer 2
-
HK$46,990 HKD
$5,989 USD
View
A
Retailer 3
-
HK$47,134 HKD
A$9,242 AUD
View
A
Retailer 4
-
HK$48,002 HKD
$6,118 USD
View
B+
Retailer 5
-
HK$55,998 HKD
$7,137 USD
View
B+
Retailer 6
-
HK$60,888 HKD
£6,111 GBP
View
Most Expensive
B+
Cape Diamonds
cert_7506516705 · Oct 31
HK$74,545 HKD
ZAR 153,488 ZAR
View
6 more retailers have this diamond
Prices start from HK$45,782 HKDSave up to HK$28,763 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 Radiant
HK$45,782 HKD