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Marquise|Natural|GIA

0.83ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 6551275934

Certificate GIA 6551275934

Diamond specifications and retailer prices

From £338 GBP
$453 USD
As of November 2, 2026
Save £378 GBP (53%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £716 GBP at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 0.83ct natural marquise diamond

This 0.83ct 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 6551275934. Listed at 3 retailers as of November 1, 2026, with prices from £338 to £716, a £378 spread on the same certified stone. 77 Diamonds lists it at £716. 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

0.83
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6551275934
Dimensions8.95 × 4.73 × 2.70 mm
L/W Ratio1.89
Top View
8.95 mm4.73 mm0.83 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6551275934
Side View
Table 64.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 57.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £716 GBP|Low: £327 GBP|High: £769 GBP|Avg: £486 GBP|-0.0%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£338 GBP
Retailer 2£357 GBP
77 Diamonds£716 GBP

43 data points across 3 retailers

3 retailers£338 GBP to £716 GBP

A
Cheapest Retailer
-
£338 GBP
$453 USD
Final sale: no returns
A
Retailer 2
-
£357 GBP
₹45,567 INR
View
Most Expensive
A
77 Diamonds
MQCPTRSHWZ6C · Nov 1
£716 GBP
View
2 more retailers have this diamond
Prices start from £338 GBPSave up to £378 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
0.83ct Marquise
£338 GBP