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Round|Natural|GIA

0.40ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1518541183

Certificate GIA 1518541183

Diamond specifications and retailer prices

From HK$5,947 HKD
$758 USD
As of October 29, 2026
Save HK$6,129 HKD (51%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$20,571 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.4ct natural round diamond

This 0.4ct natural round sits in the sub-half-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1518541183. Listed at 18 retailers as of October 29, 2026, with a 103% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.40
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1518541183
Dimensions4.77 × 4.73 × 2.88 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
4.77 mm4.73 mm0.40 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1518541183
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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 29
Current: HK$20,571 HKD|Low: HK$5,806 HKD|High: HK$20,571 HKD|Avg: HK$8,799 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5HK$5,806 HKD
Retailer 10HK$5,837 HKD
Retailer 7HK$5,947 HKD
Retailer 9HK$5,947 HKD
Retailer 6HK$6,175 HKD
Retailer 8HK$6,857 HKD
Retailer 2HK$7,859 HKD
Retailer 3HK$8,551 HKD
Retailer 4HK$12,076 HKD
NZ JewellersHK$20,571 HKD

43 data points across 10 retailers

18 retailersHK$5,947 HKD to HK$12,076 HKD

Retailer 1
-
HK$5,806 HKD
$740 USD
Price last confirmed 9 days ago
Retailer 2
-
HK$5,837 HKD
$744 USD
View
Price last confirmed 23 days ago
B+
Retailer 3
-
HK$5,947 HKD
$758 USD
View
B+
Retailer 4
-
HK$5,947 HKD
$758 USD
View
B+
Retailer 5
-
HK$5,994 HKD
$764 USD
View
B+
Retailer 6
-
HK$6,066 HKD
A$1,189 AUD
View
B+
Retailer 7
-
HK$6,175 HKD
$787 USD
View
B+
Retailer 8
-
HK$6,857 HKD
$874 USD
View
B
Retailer 9
-
HK$7,297 HKD
$930 USD
View
B
Retailer 10
-
HK$7,297 HKD
$930 USD
View
B
Retailer 11
-
HK$7,532 HKD
$960 USD
View
B
Retailer 12
-
HK$7,859 HKD
£789 GBP
View
B
Retailer 13
-
HK$8,379 HKD
$1,068 USD
View
B
Retailer 14
-
HK$8,551 HKD
€1,038 EUR
View
B
Retailer 15
-
HK$8,789 HKD
£882 GBP
View
B
Retailer 16
-
HK$10,558 HKD
CA$1,869 CAD
View
B
Retailer 17
-
HK$12,076 HKD
£1,212 GBP
View
Most Expensive
NZ Jewellers
1a3c0a3a-44e4-4f87-a291-68ad92ac507e · Oct 30
HK$20,571 HKD
$2,622 USD
View
Price under review
17 more retailers have this diamond
Prices start from HK$5,947 HKDSave up to HK$6,129 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 Round
HK$5,947 HKD