Marquise|Natural|GIA

0.37ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2567525369

Certificate GIA 2567525369

Diamond specifications and retailer prices

From £209 GBP
$280 USD
As of November 2, 2026
Save £191 GBP (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £400 GBP at Yorxs · As of November 2, 2026
View at Yorxs

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567525369. Listed at 8 retailers as of November 2, 2026, with prices from £209 to £400, a £191 spread on the same certified stone. Yorxs lists it at £400. 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
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle38.92°
Pavilion angle37.3°
OriginNatural
Grading LabGIA
CertificateGIA 2567525369
Dimensions7.81 × 3.65 × 2.13 mm
L/W Ratio2.14
Culet sizeNone
Top View
7.81 mm3.65 mm0.37 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 2567525369
Side View
Table 59.0%Crown 38.92°Girdle: STK-THKPavilion 37.3°Culet: NoneDepth 58.4%

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: £294 GBP|Low: £209 GBP|High: £408 GBP|Avg: £282 GBP|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 2, 2026
Retailer 4£209 GBP
Retailer 5£219 GBP
Retailer 2£227 GBP
Retailer 6£261 GBP
Retailer 3£285 GBP
Retailer 1£294 GBP
Retailer 7£335 GBP
Yorxs£400 GBP

27 data points across 8 retailers

8 retailers£209 GBP to £400 GBP

A
Cheapest Retailer
-
£209 GBP
$280 USD
A
Retailer 2
-
£219 GBP
SGD 398 SGD
View
A
Retailer 3
-
£227 GBP
$305 USD
View
A
Retailer 4
-
£261 GBP
SGD 473 SGD
View
B+
Retailer 5
-
£285 GBP
$383 USD
View
B+
Retailer 6
-
£294 GBP
View
B
Retailer 7
-
£335 GBP
$449 USD
View
Most Expensive
B
Yorxs
622135609 · Nov 2
£400 GBP
€511 EUR
View
7 more retailers have this diamond
Prices start from £209 GBPSave up to £191 GBP

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
0.37ct Marquise
£209 GBP