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Marquise|Natural|GIA

0.59ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1236910945

Certificate GIA 1236910945

Diamond specifications and retailer prices

From £773 GBP
As of November 5, 2026
Save £439 GBP (36%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,212 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.59ct natural marquise diamond

This 0.59ct natural marquise sits in the half to three-quarter 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 1236910945. Listed at 3 retailers as of November 2, 2026, with prices from £773 to £1,212, a £439 spread on the same certified stone. MOH London lists it at £1,212. 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

0.59
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1236910945
Dimensions8.90 × 4.20 × 2.65 mm
L/W Ratio2.12
Culet sizeNone
Top View
8.90 mm4.20 mm0.59 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1236910945
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.2%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £1,212 GBP|Low: £736 GBP|High: £1,227 GBP|Avg: £963 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
November 5, 2026
Retailer 2£773 GBP
Retailer 3£929 GBP
MOH London£1,212 GBP

43 data points across 3 retailers

3 retailers£773 GBP to £1,212 GBP

B+
Cheapest Retailer
-
£773 GBP
B
Retailer 2
-
£929 GBP
View
Most Expensive
B
MOH London
93CA5A0E7 · Nov 2
£1,212 GBP
View
2 more retailers have this diamond
Prices start from £773 GBPSave up to £439 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+
0.59ct Marquise
£773 GBP