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Radiant|Natural|GIA

0.40ct D SI1 Radiant Natural Diamond

D/SI1 • GIA 6561480194

Certificate GIA 6561480194

Diamond specifications and retailer prices

From HK$6,120 HKD
$780 USD
As of October 31, 2026
Save HK$4,562 HKD (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$10,681 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.4ct natural radiant diamond

This 0.4ct natural radiant sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by GIA 6561480194. Listed at 7 retailers as of October 31, 2026, with prices from HK$6,120 to HK$10,681, a HK$4,562 spread on the same certified stone. MOH London lists it at HK$10,681. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.40
Carat
D
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle46.08°
Pavilion angle57.76°
OriginNatural
Grading LabGIA
CertificateGIA 6561480194
Dimensions3.98 × 3.98 × 2.66 mm
L/W Ratio1.00
Top View
3.98 mm3.98 mm0.40 ctD / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561480194
Side View
Table 65.0%Crown 46.08°GirdlePavilion 57.76°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$10,681 HKD|Low: HK$6,120 HKD|High: HK$10,801 HKD|Avg: HK$7,506 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6HK$6,120 HKD
Retailer 3HK$6,244 HKD
Retailer 5HK$6,336 HKD
Retailer 7HK$6,406 HKD
Retailer 4HK$7,169 HKD
Retailer 2HK$9,357 HKD
MOH LondonHK$10,681 HKD

27 data points across 7 retailers

7 retailersHK$6,120 HKD to HK$10,681 HKD

B+
Cheapest Retailer
-
HK$6,120 HKD
$780 USD
B+
Retailer 2
-
HK$6,244 HKD
€758 EUR
View
B+
Retailer 3
-
HK$6,336 HKD
£636 GBP
View
B
Retailer 4
-
HK$6,406 HKD
$817 USD
View
B
Retailer 5
-
HK$7,169 HKD
ZAR 14,761 ZAR
View
B
Retailer 6
-
HK$9,357 HKD
£939 GBP
View
Most Expensive
B
MOH London
21F9397FC · Nov 1
HK$10,681 HKD
£1,072 GBP
View
6 more retailers have this diamond
Prices start from HK$6,120 HKDSave up to HK$4,562 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.

B+
0.40ct Radiant
HK$6,120 HKD