Round|Natural|GIA

0.40ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 5456367431

Certificate GIA 5456367431

Diamond specifications and retailer prices

From $573 SGD
₹42,605 INR
As of October 30, 2026
Save $1,233 SGD (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,449 SGD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $573 SGD|Low: $570 SGD|High: $1,826 SGD|Avg: $1,107 SGD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 1$573 SGD
Retailer 7$775 SGD
Retailer 6$841 SGD
Retailer 8$915 SGD
Retailer 3$955 SGD
Retailer 4$1,048 SGD
Retailer 2$1,612 SGD
Retailer 5$1,807 SGD

39 data points across 8 retailers

19 retailers$573 SGD to $1,807 SGD

A
Cheapest Retailer
-
$573 SGD
₹42,605 INR
A
Retailer 2
-
$740 SGD
$577 USD
View
A
Retailer 3
-
$756 SGD
A$908 AUD
View
Retailer 4
-
$775 SGD
$605 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$781 SGD
$609 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$781 SGD
$609 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$841 SGD
$656 USD
View
Retailer 8
-
$841 SGD
$656 USD
View
Price last confirmed 15 days ago
Retailer 9
-
$841 SGD
$656 USD
View
Price last confirmed 14 days ago
Retailer 10
-
$901 SGD
$703 USD
View
Price last confirmed 32 days ago
B+
Retailer 11
-
$901 SGD
$703 USD
View
B+
Retailer 12
-
$915 SGD
$714 USD
View
B+
Retailer 13
-
$950 SGD
$741 USD
View
B+
Retailer 14
-
$955 SGD
£587 GBP
View
B+
Retailer 15
-
$1,048 SGD
€779 EUR
View
B
Retailer 16
-
$1,612 SGD
£990 GBP
View
B
Retailer 17
-
$1,777 SGD
£1,092 GBP
View
B
Retailer 18
-
$1,807 SGD
£1,110 GBP
View
Most Expensive
NZ Jewellers
5f8e821a-2582-4591-bcb1-9fc852f568de · Sep 24
$2,449 SGD
$1,911 USD
View
Price last confirmed 36 days ago
18 more retailers have this diamond
Prices start from $573 SGDSave up to $1,233 SGD

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
$573 SGD