CaratHunter
Plans
Marquise|Natural|GIA

1.03ct J IF Marquise Natural Diamond

EX • J/IF • GIA 7508392279

Certificate GIA 7508392279

Diamond specifications and retailer prices

From £2,137 GBP
As of November 6, 2026
Save £1,004 GBP (32%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,140 GBP at Fonder Diamond · As of November 5, 2026
View at Fonder Diamond

About this 1.03ct natural marquise diamond

This 1.03ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7508392279. Listed at 6 retailers as of November 5, 2026, with prices from £2,137 to £3,140, a £1,004 spread on the same certified stone. Fonder Diamond lists it at £3,140. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
J
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7508392279
Dimensions10.06 × 5.39 × 3.30 mm
L/W Ratio1.87
Culet sizeNone
Top View
10.06 mm5.39 mm1.03 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7508392279
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.2%

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: Nov 6
Current: £3,140 GBP|Low: £2,137 GBP|High: £3,143 GBP|Avg: £2,520 GBP|+1.2%
Fonder Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3£2,137 GBP
Retailer 6£2,211 GBP
Retailer 2£2,285 GBP
Retailer 5£2,471 GBP
Retailer 4£2,554 GBP
Fonder Diamond£3,140 GBP

40 data points across 6 retailers

6 retailers£2,137 GBP to £3,140 GBP

A
Cheapest Retailer
-
£2,137 GBP
A
Retailer 2
-
£2,211 GBP
View
A
Retailer 3
-
£2,285 GBP
View
B+
Retailer 4
-
£2,471 GBP
View
B+
Retailer 5
-
£2,554 GBP
View
Most Expensive
B+
Fonder Diamond
96888344 · Nov 5
£3,140 GBP
SGD 5,680 SGD
View
5 more retailers have this diamond
Prices start from £2,137 GBPSave up to £1,004 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
1.03ct Marquise
£2,137 GBP