Marquise|Natural|GIA

0.40ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6555748538

Certificate GIA 6555748538

Diamond specifications and retailer prices

From $502 CAD
₹34,194 INR
As of October 31, 2026
Save $1,077 CAD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,579 CAD 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 October 31, 2026, with prices from $502 to $1,579, a $1,077 spread on the same certified stone. MOH London lists it at $1,579. 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
Color
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: Oct 31
Current: $1,579 CAD|Low: $500 CAD|High: $2,619 CAD|Avg: $1,056 CAD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$502 CAD
Retailer 9$683 CAD
Retailer 8$736 CAD
Retailer 5$789 CAD
Retailer 3$862 CAD
Retailer 10$937 CAD
Retailer 6$1,028 CAD
Retailer 2$1,383 CAD
MOH London$1,579 CAD
Retailer 7$2,619 CAD

32 data points across 10 retailers

14 retailers$502 CAD to $1,579 CAD

A
Cheapest Retailer
-
$502 CAD
₹34,194 INR
A
Retailer 2
-
$590 CAD
HK$3,300 HKD
View
Retailer 3
-
$639 CAD
$457 USD
View
Price last confirmed 39 days ago
B+
Retailer 4
-
$683 CAD
$489 USD
View
B+
Retailer 5
-
$719 CAD
SGD 696 SGD
View
B+
Retailer 6
-
$736 CAD
$527 USD
View
B
Retailer 7
-
$789 CAD
$565 USD
View
B
Retailer 8
-
$862 CAD
£486 GBP
View
B
Retailer 9
-
$877 CAD
$628 USD
View
B
Retailer 10
-
$937 CAD
£528 GBP
View
B
Retailer 11
-
$1,028 CAD
€701 EUR
View
B
Retailer 12
-
$1,383 CAD
£780 GBP
View
Most Expensive
B
MOH London
20E8B75E6 · Nov 1
$1,579 CAD
£890 GBP
View
12 more retailers have this diamond
Prices start from $502 CADSave up to $1,077 CAD

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
$502 CAD