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Round|Natural|GIA

0.40ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6492539118

Certificate GIA 6492539118

Diamond specifications and retailer prices

From $310 SGD
As of November 6, 2026
Save $1,293 SGD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,603 SGD at NZ Jewellers · As of November 4, 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6492539118. Listed at 14 retailers as of November 4, 2026, with prices from $310 to $1,603, a $1,293 spread on the same certified stone. NZ Jewellers lists it at $1,603. 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6492539118
Dimensions4.71 × 4.73 × 2.89 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
4.71 mm4.73 mm0.40 ctL / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6492539118
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.3%

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: Nov 6
Current: $711 SGD|Low: $370 SGD|High: $726 SGD|Avg: $510 SGD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$373 SGD
Retailer 6$395 SGD
Retailer 5$409 SGD
Retailer 3$439 SGD
Retailer 4$551 SGD
Retailer 2$598 SGD
Retailer 8$613 SGD
Retailer 1$711 SGD

44 data points across 8 retailers

14 retailers$310 SGD to $1,603 SGD

A
Cheapest Retailer
-
$310 SGD
B+
Retailer 2
-
$354 SGD
View
Retailer 3
-
$381 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$395 SGD
View
B+
Retailer 5
-
$409 SGD
View
B+
Retailer 6
-
$439 SGD
View
B+
Retailer 7
-
$476 SGD
View
B+
Retailer 8
-
$478 SGD
View
B+
Retailer 9
-
$551 SGD
View
B
Retailer 10
-
$598 SGD
View
B
Retailer 11
-
$613 SGD
View
B
Retailer 12
-
$645 SGD
View
B
Retailer 13
-
$711 SGD
View
Most Expensive
C
NZ Jewellers
7df04fd7-c2ff-4f23-bf40-c0b1edd1ff7b · Nov 4
$1,603 SGD
$1,255 USD
View
13 more retailers have this diamond
Prices start from $310 SGDSave up to $1,293 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
$310 SGD