Round|Natural|GIA

0.40ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 5456367431

Certificate GIA 5456367431

Diamond specifications and retailer prices

From HK$3,510 HKD
₹42,605 INR
As of October 30, 2026
Save HK$7,550 HKD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$14,993 HKD at NZ Jewellers · As of September 24, 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 5456367431. Listed at 19 retailers as of October 26, 2026, with a 215% 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 angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5456367431
Dimensions4.70 × 4.67 × 2.93 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.70 mm4.67 mm0.40 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5456367431
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 30
Current: HK$3,510 HKD|Low: HK$3,489 HKD|High: HK$11,180 HKD|Avg: HK$6,774 HKD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 1HK$3,510 HKD
Retailer 7HK$4,747 HKD
Retailer 6HK$5,147 HKD
Retailer 8HK$5,602 HKD
Retailer 3HK$5,848 HKD
Retailer 4HK$6,417 HKD
Retailer 2HK$9,866 HKD
Retailer 5HK$11,060 HKD

39 data points across 8 retailers

19 retailersHK$3,510 HKD to HK$11,060 HKD

A
Cheapest Retailer
-
HK$3,510 HKD
₹42,605 INR
A
Retailer 2
-
HK$4,527 HKD
$577 USD
View
A
Retailer 3
-
HK$4,630 HKD
A$908 AUD
View
Retailer 4
-
HK$4,747 HKD
$605 USD
View
Price last confirmed 9 days ago
Retailer 5
-
HK$4,778 HKD
$609 USD
View
Price last confirmed 32 days ago
Retailer 6
-
HK$4,778 HKD
$609 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
HK$5,147 HKD
$656 USD
View
Retailer 8
-
HK$5,147 HKD
$656 USD
View
Price last confirmed 15 days ago
Retailer 9
-
HK$5,147 HKD
$656 USD
View
Price last confirmed 14 days ago
Retailer 10
-
HK$5,516 HKD
$703 USD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
HK$5,516 HKD
$703 USD
View
B+
Retailer 12
-
HK$5,602 HKD
$714 USD
View
B+
Retailer 13
-
HK$5,816 HKD
$741 USD
View
B+
Retailer 14
-
HK$5,848 HKD
£587 GBP
View
B+
Retailer 15
-
HK$6,417 HKD
€779 EUR
View
B
Retailer 16
-
HK$9,866 HKD
£990 GBP
View
B
Retailer 17
-
HK$10,877 HKD
£1,092 GBP
View
B
Retailer 18
-
HK$11,060 HKD
£1,110 GBP
View
Most Expensive
NZ Jewellers
5f8e821a-2582-4591-bcb1-9fc852f568de · Sep 24
HK$14,993 HKD
$1,911 USD
View
Price last confirmed 36 days ago
18 more retailers have this diamond
Prices start from HK$3,510 HKDSave up to HK$7,550 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
0.40ct Round
HK$3,510 HKD