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Marquise|Natural|GIA

0.65ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 7551118327

Certificate GIA 7551118327

Diamond specifications and retailer prices

From £372 GBP
As of November 6, 2026
Save £374 GBP (50%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £746 GBP at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

About this 0.65ct natural marquise diamond

This 0.65ct natural marquise sits in the half to three-quarter carat band, graded J 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 7551118327. Listed at 3 retailers as of November 6, 2026, with prices from £372 to £746, a £374 spread on the same certified stone. 77 Diamonds lists it at £746. 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

0.65
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551118327
Dimensions9.07 × 4.26 × 2.64 mm
L/W Ratio2.13
Top View
9.07 mm4.26 mm0.65 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 7551118327
Side View
Table 59.0%CrownGirdle: STK-XTKPavilionCulet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £746 GBP|Low: £372 GBP|High: £755 GBP|Avg: £576 GBP|+1.2%
77 Diamonds
Retailer 2
Retailer 3
November 7, 2026
Retailer 2£372 GBP
Retailer 3£601 GBP
77 Diamonds£746 GBP

46 data points across 3 retailers

3 retailers£372 GBP to £746 GBP

A
Cheapest Retailer
-
£372 GBP
B+
Retailer 2
-
£601 GBP
View
Most Expensive
B
77 Diamonds
MQCPGVCYAD7Y · Nov 7
£746 GBP
View
2 more retailers have this diamond
Prices start from £372 GBPSave up to £374 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
0.65ct Marquise
£372 GBP