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Marquise|Natural|GIA

0.72ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6541768827

Certificate GIA 6541768827

Diamond specifications and retailer prices

From £454 GBP
As of November 5, 2026
Save £379 GBP (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £833 GBP at Frank Darling · As of November 4, 2026
View at Frank Darling

About this 0.72ct natural marquise diamond

This 0.72ct natural marquise sits in the half to three-quarter carat band, graded I 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 6541768827. Listed at 9 retailers as of November 4, 2026, with prices from £454 to £833, a £379 spread on the same certified stone. Frank Darling lists it at £833. 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

0.72
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle39.5°
Pavilion angle40.94°
OriginNatural
Grading LabGIA
CertificateGIA 6541768827
Dimensions8.99 × 4.64 × 2.96 mm
L/W Ratio1.94
Top View
8.99 mm4.64 mm0.72 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6541768827
Side View
Table 59.0%Crown 39.5°Girdle: STK-VTKPavilion 40.94°Culet: NoneDepth 63.7%

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: Nov 5
Current: £833 GBP|Low: £345 GBP|High: £856 GBP|Avg: £630 GBP|-2.7%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 11£345 GBP
Retailer 2£454 GBP
Retailer 8£518 GBP
Retailer 10£578 GBP
Retailer 6£616 GBP
Retailer 3£674 GBP
Retailer 9£675 GBP
Retailer 7£712 GBP
Retailer 4£720 GBP
Retailer 5£789 GBP
Frank Darling£833 GBP

13 data points across 11 retailers

9 retailers£454 GBP to £833 GBP

A
Cheapest Retailer
-
£454 GBP
A
Retailer 2
-
£518 GBP
View
A
Retailer 3
-
£616 GBP
View
B+
Retailer 4
-
£674 GBP
View
B+
Retailer 5
-
£675 GBP
View
B+
Retailer 6
-
£720 GBP
View
B+
Retailer 7
-
£726 GBP
View
B+
Retailer 8
-
£789 GBP
View
Most Expensive
B
Frank Darling
2596886HK · Nov 4
£833 GBP
$1,115 USD
View
8 more retailers have this diamond
Prices start from £454 GBPSave up to £379 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
0.72ct Marquise
£454 GBP