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Marquise|Natural|GIA

0.31ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 2567537301

Certificate GIA 2567537301

Diamond specifications and retailer prices

From £281 GBP
SGD 509 SGD
As of November 2, 2026
Save £209 GBP (43%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £490 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.31ct natural marquise diamond

This 0.31ct natural marquise sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567537301. Listed at 9 retailers as of November 2, 2026, with prices from £281 to £490, a £209 spread on the same certified stone. Yorxs lists it at £490. 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

0.31
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle39.01°
OriginNatural
Grading LabGIA
CertificateGIA 2567537301
Dimensions6.86 × 3.63 × 2.13 mm
L/W Ratio1.89
Culet sizeNone
Top View
6.86 mm3.63 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567537301
Side View
Table 59.0%Crown 36°Girdle: STK-VTKPavilion 39.01°Culet: NoneDepth 58.7%

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: £375 GBP|Low: £281 GBP|High: £490 GBP|Avg: £368 GBP|+5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 2, 2026
Retailer 6£281 GBP
Retailer 4£322 GBP
Retailer 2£361 GBP
Retailer 5£365 GBP
Retailer 1£375 GBP
Retailer 3£393 GBP
Retailer 7£419 GBP
Yorxs£490 GBP

25 data points across 8 retailers

9 retailers£281 GBP to £490 GBP

A
Cheapest Retailer
-
£281 GBP
SGD 509 SGD
B+
Retailer 2
-
£310 GBP
SGD 562 SGD
View
B+
Retailer 3
-
£322 GBP
$432 USD
View
B+
Retailer 4
-
£361 GBP
View
B
Retailer 5
-
£365 GBP
$490 USD
View
B
Retailer 6
-
£375 GBP
View
B
Retailer 7
-
£393 GBP
$527 USD
View
B
Retailer 8
-
£419 GBP
$563 USD
View
Most Expensive
B
Yorxs
621633248 · Nov 2
£490 GBP
€626 EUR
View
8 more retailers have this diamond
Prices start from £281 GBPSave up to £209 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
0.31ct Marquise
£281 GBP