CaratHunter
Plans
Marquise|Natural|GIA

0.40ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6555748538

Certificate GIA 6555748538

Diamond specifications and retailer prices

From $638 NZD
₹34,176 INR
As of November 2, 2026
Save $1,371 NZD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,009 NZD 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 $638 to $2,009, a $1,371 spread on the same certified stone. MOH London lists it at $2,009. 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: $2,009 NZD|Low: $636 NZD|High: $3,332 NZD|Avg: $1,363 NZD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 3$638 NZD
Retailer 9$869 NZD
Retailer 8$937 NZD
Retailer 5$1,004 NZD
Retailer 2$1,097 NZD
Retailer 10$1,192 NZD
Retailer 6$1,308 NZD
Retailer 4$1,760 NZD
MOH London$2,009 NZD
Retailer 7$3,332 NZD

32 data points across 10 retailers

14 retailers$638 NZD to $2,009 NZD

A
Cheapest Retailer
-
$638 NZD
₹34,176 INR
A
Retailer 2
-
$751 NZD
HK$3,300 HKD
View
Retailer 3
-
$813 NZD
$457 USD
View
Price last confirmed 41 days ago
B+
Retailer 4
-
$869 NZD
$489 USD
View
Retailer 5
-
$915 NZD
SGD 696 SGD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$937 NZD
$527 USD
View
B
Retailer 7
-
$1,004 NZD
$565 USD
View
B
Retailer 8
-
$1,097 NZD
£486 GBP
View
B
Retailer 9
-
$1,116 NZD
$628 USD
View
B
Retailer 10
-
$1,192 NZD
£528 GBP
View
B
Retailer 11
-
$1,308 NZD
€701 EUR
View
B
Retailer 12
-
$1,760 NZD
£780 GBP
View
Most Expensive
B
MOH London
20E8B75E6 · Nov 1
$2,009 NZD
£890 GBP
View
12 more retailers have this diamond
Prices start from $638 NZDSave up to $1,371 NZD

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
$638 NZD