Marquise|Natural|GIA

0.37ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6541927462

Certificate GIA 6541927462

Diamond specifications and retailer prices

From $506 USD
£399 GBP
As of November 2, 2026
Save $440 USD (46%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $946 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.37ct natural marquise diamond

This 0.37ct natural marquise sits in the sub-half-carat band, graded I 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 6541927462. Listed at 7 retailers as of November 1, 2026, with prices from $506 to $946, a $440 spread on the same certified stone. MOH London lists it at $946. 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

0.37
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6541927462
Dimensions8.48 × 3.56 × 2.14 mm
L/W Ratio2.38
Top View
8.48 mm3.56 mm0.37 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6541927462
Side View
Table 65.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 60.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $946 USD|Low: $293 USD|High: $956 USD|Avg: $579 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$294 USD
Retailer 2$506 USD
Retailer 5$563 USD
Retailer 6$656 USD
Retailer 3$659 USD
MOH London$946 USD

41 data points across 6 retailers

7 retailers$506 USD to $946 USD

Retailer 1
-
$294 USD
₹28,037 INR
Price last confirmed 9 days ago
Retailer 2
-
$328 USD
View
Price last confirmed 9 days ago
B
Retailer 3
-
$506 USD
£399 GBP
View
B
Retailer 4
-
$563 USD
View
Retailer 5
-
$656 USD
A$1,009 AUD
View
Price last confirmed 29 days ago
B
Retailer 6
-
$659 USD
€628 EUR
View
Most Expensive
B
MOH London
F8DE940B6 · Nov 1
$946 USD
£745 GBP
View
6 more retailers have this diamond
Prices start from $506 USDSave up to $440 USD

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.

B
0.37ct Marquise
$506 USD