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Marquise|Natural|GIA

0.73ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 5242064378

Certificate GIA 5242064378

Diamond specifications and retailer prices

From £526 GBP
$705 USD
As of October 31, 2026
Save £358 GBP (41%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £885 GBP at Frank Darling · As of November 1, 2026
View at Frank Darling

About this 0.73ct natural marquise diamond

This 0.73ct 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 5242064378. Listed at 9 retailers as of October 31, 2026, with prices from £526 to £885, a £358 spread on the same certified stone. Frank Darling lists it at £885. 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

0.73
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.39°
Pavilion angle40.16°
OriginNatural
Grading LabGIA
CertificateGIA 5242064378
Dimensions8.75 × 4.62 × 2.96 mm
L/W Ratio1.89
Culet sizeNone
Top View
8.75 mm4.62 mm0.73 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242064378
Side View
Table 59.0%Crown 39.39°Girdle: STK-THKPavilion 40.16°Culet: NoneDepth 64.0%

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: £885 GBP|Low: £526 GBP|High: £894 GBP|Avg: £655 GBP|-1.1%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7£526 GBP
Retailer 10£530 GBP
Retailer 5£557 GBP
Retailer 9£573 GBP
Retailer 6£587 GBP
Retailer 2£637 GBP
Retailer 3£661 GBP
Retailer 4£769 GBP
Retailer 8£862 GBP
Frank Darling£885 GBP

24 data points across 10 retailers

9 retailers£526 GBP to £885 GBP

A
Cheapest Retailer
-
£526 GBP
$705 USD
A
Retailer 2
-
£530 GBP
$710 USD
View
A
Retailer 3
-
£557 GBP
SGD 1,009 SGD
View
A
Retailer 4
-
£573 GBP
SGD 1,038 SGD
View
A
Retailer 5
-
£587 GBP
$786 USD
View
B+
Retailer 6
-
£637 GBP
View
B+
Retailer 7
-
£661 GBP
$885 USD
View
B
Retailer 8
-
£769 GBP
€981 EUR
View
Most Expensive
B
Frank Darling
2687331HK · Nov 1
£885 GBP
$1,185 USD
View
8 more retailers have this diamond
Prices start from £526 GBPSave up to £358 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
0.73ct Marquise
£526 GBP