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Marquise|Natural|GIA

0.81ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 2245004956

Certificate GIA 2245004956

Diamond specifications and retailer prices

From £538 GBP
SGD 975 SGD
As of October 31, 2026
Save £421 GBP (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £959 GBP at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 0.81ct natural marquise diamond

This 0.81ct 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 2245004956. Listed at 9 retailers as of October 27, 2026, with prices from £538 to £959, a £421 spread on the same certified stone. Wholesale Diamonds Direct lists it at £959. 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

0.81
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.68°
Pavilion angle40.26°
OriginNatural
Grading LabGIA
CertificateGIA 2245004956
Dimensions9.28 × 4.80 × 3.08 mm
L/W Ratio1.93
Culet sizeNone
Top View
9.28 mm4.80 mm0.81 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2245004956
Side View
Table 60.0%Crown 39.68°Girdle: THN-THKPavilion 40.26°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £853 GBP|Low: £538 GBP|High: £1,170 GBP|Avg: £824 GBP|-10.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 2, 2026
Retailer 5£538 GBP
Retailer 2£584 GBP
Retailer 6£637 GBP
Retailer 3£649 GBP
Retailer 1£853 GBP
Retailer 4£891 GBP
Retailer 9£897 GBP
Retailer 7£945 GBP
Wholesale Diamonds Direct£959 GBP
Retailer 8£1,162 GBP

5 data points across 10 retailers

9 retailers£538 GBP to £959 GBP

A
Cheapest Retailer
-
£538 GBP
SGD 975 SGD
A
Retailer 2
-
£584 GBP
$784 USD
View
A
Retailer 3
-
£637 GBP
SGD 1,155 SGD
View
A
Retailer 4
-
£649 GBP
$871 USD
View
A
Retailer 5
-
£853 GBP
€1,090 EUR
View
B+
Retailer 6
-
£891 GBP
$1,195 USD
View
B+
Retailer 7
-
£897 GBP
$1,204 USD
View
B+
Retailer 8
-
£945 GBP
$1,268 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
601030750 · Oct 27
£959 GBP
$1,287 USD
View
8 more retailers have this diamond
Prices start from £538 GBPSave up to £421 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
0.81ct Marquise
£538 GBP