CaratHunter
Plans
Marquise|Natural|GIA

0.73ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 7541670866

Certificate GIA 7541670866

Diamond specifications and retailer prices

From £431 GBP
SGD 781 SGD
As of October 31, 2026
Save £374 GBP (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £805 GBP at Frank Darling · As of October 31, 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 I 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 7541670866. Listed at 9 retailers as of October 31, 2026, with prices from £431 to £805, a £374 spread on the same certified stone. Frank Darling lists it at £805. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.91°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7541670866
Dimensions9.64 × 4.57 × 2.90 mm
L/W Ratio2.11
Culet sizeNone
Top View
9.64 mm4.57 mm0.73 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7541670866
Side View
Table 58.0%Crown 35.91°Girdle: THK-VTKPavilion 41°Culet: NoneDepth 63.4%

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: £805 GBP|Low: £431 GBP|High: £845 GBP|Avg: £665 GBP|-4.7%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6£431 GBP
Retailer 8£490 GBP
Retailer 3£577 GBP
Retailer 7£638 GBP
Retailer 4£683 GBP
Retailer 2£719 GBP
Retailer 5£742 GBP
Frank Darling£805 GBP

36 data points across 8 retailers

9 retailers£431 GBP to £805 GBP

A
Cheapest Retailer
-
£431 GBP
SGD 781 SGD
A
Retailer 2
-
£490 GBP
SGD 887 SGD
View
A
Retailer 3
-
£577 GBP
View
A
Retailer 4
-
£638 GBP
$855 USD
View
B+
Retailer 5
-
£660 GBP
$884 USD
View
A
Retailer 6
-
£683 GBP
€871 EUR
View
B+
Retailer 7
-
£719 GBP
$964 USD
View
B+
Retailer 8
-
£742 GBP
$994 USD
View
Most Expensive
B+
Frank Darling
2591004HK · Oct 31
£805 GBP
$1,079 USD
View
8 more retailers have this diamond
Prices start from £431 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
0.73ct Marquise
£431 GBP