Marquise|Natural|GIA

0.83ct F I1 Marquise Natural Diamond

EX • F/I1 • GIA 6237458435

Certificate GIA 6237458435

Diamond specifications and retailer prices

From £1,455 GBP
$1,952 USD
As of November 1, 2026
Save £1,913 GBP (57%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £3,368 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.83ct natural marquise diamond

This 0.83ct natural marquise sits in the just-under-one-carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6237458435. Listed at 2 retailers as of November 1, 2026, with prices from £1,455 to £3,368, a £1,913 spread on the same certified stone. NZ Jewellers lists it at £3,368. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.83
Carat
F
Colour
I1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6237458435
Dimensions9.72 × 4.84 × 3.05 mm
L/W Ratio2.01
Girdle conditionFaceted
Top View
9.72 mm4.84 mm0.83 ctF / I1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 6237458435
Side View
Table 53.0%CrownGirdle: VTN-ETKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £3,368 GBP|Low: £1,131 GBP|High: £3,368 GBP|Avg: £1,581 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
September 20, 2026
Retailer 4£1,131 GBP
Retailer 2£1,455 GBP
Retailer 3£2,323 GBP
NZ Jewellers£3,368 GBP

11 data points across 4 retailers

2 retailers£1,455 GBP to £3,368 GBP

B+
Cheapest Retailer
-
£1,455 GBP
$1,952 USD
Most Expensive
C
NZ Jewellers
fd9d4454-6623-41b2-8343-3ea76b091634 · Nov 3
£3,368 GBP
$4,519 USD
View
1 more retailer has this diamond
Prices start from £1,455 GBPSave up to £1,913 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.

B+
0.83ct Marquise
£1,455 GBP