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Marquise|Natural|GIA

0.40ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6555748538

Certificate GIA 6555748538

Diamond specifications and retailer prices

From $459 SGD
₹34,176 INR
As of November 2, 2026
Save $987 SGD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,446 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 0.4ct natural marquise diamond

This 0.4ct natural marquise sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555748538. Listed at 14 retailers as of November 1, 2026, with prices from $459 to $1,446, a $987 spread on the same certified stone. MOH London lists it at $1,446. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6555748538
Dimensions7.31 × 3.89 × 2.36 mm
L/W Ratio1.88
Culet sizeNone
Key to symbols
Feather
Top View
7.31 mm3.89 mm0.40 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6555748538
Side View
Table 57.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 60.7%

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: Nov 2
Current: $1,446 SGD|Low: $458 SGD|High: $2,398 SGD|Avg: $977 SGD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2$459 SGD
Retailer 9$625 SGD
Retailer 8$674 SGD
Retailer 5$723 SGD
Retailer 4$789 SGD
Retailer 10$858 SGD
Retailer 6$941 SGD
Retailer 3$1,266 SGD
MOH London$1,446 SGD
Retailer 7$2,398 SGD

31 data points across 10 retailers

14 retailers$459 SGD to $1,446 SGD

A
Cheapest Retailer
-
$459 SGD
₹34,176 INR
A
Retailer 2
-
$540 SGD
HK$3,300 HKD
View
Retailer 3
-
$585 SGD
$457 USD
View
Price last confirmed 40 days ago
B+
Retailer 4
-
$625 SGD
$489 USD
View
B+
Retailer 5
-
$659 SGD
View
B+
Retailer 6
-
$674 SGD
$527 USD
View
B
Retailer 7
-
$723 SGD
$565 USD
View
B
Retailer 8
-
$789 SGD
£486 GBP
View
B
Retailer 9
-
$803 SGD
$628 USD
View
B
Retailer 10
-
$858 SGD
£528 GBP
View
B
Retailer 11
-
$941 SGD
€701 EUR
View
B
Retailer 12
-
$1,266 SGD
£780 GBP
View
Most Expensive
B
MOH London
20E8B75E6 · Nov 1
$1,446 SGD
£890 GBP
View
12 more retailers have this diamond
Prices start from $459 SGDSave up to $987 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 Marquise
$459 SGD