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Marquise|Natural|GIA

1.01ct J SI2 Marquise Natural Diamond

ID • J/SI2 • GIA 2546272589

Certificate GIA 2546272589

Diamond specifications and retailer prices

From £1,761 GBP
$2,363 USD
As of October 31, 2026
Save £2,240 GBP (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,001 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-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 2546272589. Listed at 21 retailers as of October 30, 2026, with prices from £1,761 to £4,001, a £2,240 spread on the same certified stone. NZ Jewellers lists it at £4,001. 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

1.01
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2546272589
Dimensions10.35 × 5.18 × 3.21 mm
L/W Ratio2.00
Top View
10.35 mm5.18 mm1.01 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2546272589
Side View
Table 57.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,001 GBP|Low: £1,656 GBP|High: £4,001 GBP|Avg: £2,535 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 12£1,802 GBP
Retailer 8£1,821 GBP
Retailer 10£2,081 GBP
Retailer 13£2,081 GBP
Retailer 9£2,160 GBP
Retailer 11£2,252 GBP
Retailer 6£2,380 GBP
Retailer 3£2,400 GBP
Retailer 4£2,666 GBP
Retailer 2£2,687 GBP
Retailer 5£2,733 GBP
Retailer 7£3,840 GBP
NZ Jewellers£4,001 GBP

41 data points across 13 retailers

21 retailers£1,761 GBP to £4,001 GBP

B+
Cheapest Retailer
-
£1,761 GBP
$2,363 USD
B+
Retailer 2
-
£1,802 GBP
$2,418 USD
View
B+
Retailer 3
-
£1,821 GBP
$2,444 USD
View
Final sale: no returns
B+
Retailer 4
-
£1,840 GBP
$2,469 USD
View
B+
Retailer 5
-
£1,863 GBP
$2,500 USD
View
B
Retailer 6
-
£2,007 GBP
$2,693 USD
View
B
Retailer 7
-
£2,081 GBP
$2,792 USD
View
B
Retailer 8
-
£2,081 GBP
$2,792 USD
View
B
Retailer 9
-
£2,124 GBP
CA$3,959 CAD
View
B
Retailer 10
-
£2,160 GBP
$2,899 USD
View
B
Retailer 11
-
£2,252 GBP
$3,022 USD
View
B
Retailer 12
-
£2,258 GBP
$3,030 USD
View
B
Retailer 13
-
£2,258 GBP
$3,030 USD
View
B
Retailer 14
-
£2,380 GBP
View
B
Retailer 15
-
£2,400 GBP
$3,221 USD
View
Retailer 16
-
£2,666 GBP
$3,577 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
£2,687 GBP
€3,434 EUR
View
B
Retailer 18
-
£2,695 GBP
$3,616 USD
View
B
Retailer 19
-
£3,312 GBP
$4,444 USD
View
B
Retailer 20
-
£3,840 GBP
View
Most Expensive
C
NZ Jewellers
e06aca30-7a60-4a47-ac79-bb0e7fb7540a · Oct 30
£4,001 GBP
$5,369 USD
View
20 more retailers have this diamond
Prices start from £1,761 GBPSave up to £2,240 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+
1.01ct Marquise
£1,761 GBP