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Marquise|Natural|GIA

0.86ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 5232929581

Certificate GIA 5232929581

Diamond specifications and retailer prices

From £1,086 GBP
As of November 3, 2026
Save £640 GBP (37%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,726 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.86ct natural marquise diamond

This 0.86ct natural marquise sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5232929581. Listed at 3 retailers as of November 2, 2026, with prices from £1,086 to £1,726, a £640 spread on the same certified stone. MOH London lists it at £1,726. 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

0.86
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5232929581
Dimensions9.37 × 5.07 × 2.98 mm
L/W Ratio1.85
Top View
9.37 mm5.07 mm0.86 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5232929581
Side View
Table 53.0%CrownGirdle: THK-ETKPavilionCulet: MediumDepth 58.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 3
Current: £1,726 GBP|Low: £1,029 GBP|High: £1,747 GBP|Avg: £1,368 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
November 3, 2026
Retailer 2£1,086 GBP
Retailer 3£1,315 GBP
MOH London£1,726 GBP

42 data points across 3 retailers

3 retailers£1,086 GBP to £1,726 GBP

B+
Cheapest Retailer
-
£1,086 GBP
B
Retailer 2
-
£1,315 GBP
€1,681 EUR
View
Most Expensive
B
MOH London
85F91645A · Nov 2
£1,726 GBP
View
2 more retailers have this diamond
Prices start from £1,086 GBPSave up to £640 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+
0.86ct Marquise
£1,086 GBP