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Marquise|Natural|GIA

0.30ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 2567556991

Certificate GIA 2567556991

Diamond specifications and retailer prices

From £305 GBP
As of November 4, 2026
Save £227 GBP (43%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £531 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 0.3ct natural marquise diamond

This 0.3ct natural marquise sits in the sub-half-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567556991. Listed at 9 retailers as of November 4, 2026, with prices from £305 to £531, a £227 spread on the same certified stone. Yorxs lists it at £531. 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

0.30
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.04°
Pavilion angle38.78°
OriginNatural
Grading LabGIA
CertificateGIA 2567556991
Dimensions6.96 × 3.53 × 2.05 mm
L/W Ratio1.97
Culet sizeNone
Top View
6.96 mm3.53 mm0.30 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567556991
Side View
Table 61.0%Crown 35.04°Girdle: STK-VTKPavilion 38.78°Culet: NoneDepth 58.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £372 GBP|Low: £305 GBP|High: £534 GBP|Avg: £387 GBP|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 6, 2026
Retailer 3£305 GBP
Retailer 7£310 GBP
Retailer 2£336 GBP
Retailer 5£350 GBP
Retailer 1£372 GBP
Retailer 4£398 GBP
Retailer 6£403 GBP
Retailer 8£458 GBP
Yorxs£531 GBP

28 data points across 9 retailers

9 retailers£305 GBP to £531 GBP

B+
Cheapest Retailer
-
£305 GBP
B+
Retailer 2
-
£310 GBP
View
B+
Retailer 3
-
£336 GBP
View
B
Retailer 4
-
£350 GBP
View
B+
Retailer 5
-
£372 GBP
View
B
Retailer 6
-
£398 GBP
View
B
Retailer 7
-
£403 GBP
View
B
Retailer 8
-
£458 GBP
View
Most Expensive
B
Yorxs
621633237 · Nov 6
£531 GBP
€681 EUR
View
8 more retailers have this diamond
Prices start from £305 GBPSave up to £227 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.

B+
0.30ct Marquise
£305 GBP