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Radiant|Natural|GIA

1.60ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 7516574860

Certificate GIA 7516574860

Diamond specifications and retailer prices

From HK$36,286 HKD
$4,625 USD
As of October 30, 2026
Save HK$5,610 HKD (13%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$41,896 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.6ct natural radiant diamond

This 1.6ct natural radiant sits in the one-and-a-half to two carat band, graded D 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 7516574860. Listed at 3 retailers as of October 30, 2026, with prices from HK$36,286 to HK$41,896, a HK$5,610 spread on the same certified stone. Brilliant Earth lists it at HK$41,896. 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

1.60
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.4°
Pavilion angle54.5°
OriginNatural
Grading LabGIA
CertificateGIA 7516574860
Dimensions6.74 × 6.72 × 4.38 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
Clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Feather, Needle
Top View
6.74 mm6.72 mm1.60 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7516574860
Side View
Table 62.0%Crown 40.4°Girdle: MediumPavilion 54.5°Culet: NoneDepth 65.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: HK$41,896 HKD|Low: HK$36,286 HKD|High: HK$44,485 HKD|Avg: HK$40,842 HKD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3HK$36,286 HKD
Retailer 2HK$38,425 HKD
Brilliant EarthHK$41,896 HKD
Retailer 4HK$44,485 HKD

36 data points across 4 retailers

3 retailersHK$36,286 HKD to HK$41,896 HKD

A
Cheapest Retailer
-
HK$36,286 HKD
$4,625 USD
A
Retailer 2
-
HK$38,425 HKD
£3,856 GBP
View
Most Expensive
A
Brilliant Earth
13662632A · Oct 31
HK$41,896 HKD
$5,340 USD
View
2 more retailers have this diamond
Prices start from HK$36,286 HKDSave up to HK$5,610 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
1.60ct Radiant
HK$36,286 HKD