CaratHunter
Plans
Marquise|Natural|GIA

1.01ct J SI2 Marquise Natural Diamond

ID • J/SI2 • GIA 6545972253

Certificate GIA 6545972253

Diamond specifications and retailer prices

From £1,199 GBP
As of November 5, 2026
Save £1,846 GBP (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,045 GBP at NZ Jewellers · As of November 3, 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 6545972253. Listed at 8 retailers as of November 3, 2026, with prices from £1,199 to £3,045, a £1,846 spread on the same certified stone. NZ Jewellers lists it at £3,045. 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
FluorescenceNone
Crown angle39.66°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545972253
Dimensions9.49 × 5.19 × 3.38 mm
L/W Ratio1.83
Top View
9.49 mm5.19 mm1.01 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545972253
Side View
Table 59.0%Crown 39.66°Girdle: ThickPavilion 40.6°Culet: NoneDepth 65.0%

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: £3,045 GBP|Low: £1,175 GBP|High: £3,194 GBP|Avg: £1,735 GBP|-4.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2£1,199 GBP
Retailer 8£1,248 GBP
Retailer 3£1,251 GBP
Retailer 6£1,268 GBP
Retailer 5£1,306 GBP
Retailer 7£1,343 GBP
Retailer 4£2,187 GBP
NZ Jewellers£3,045 GBP

42 data points across 8 retailers

8 retailers£1,199 GBP to £3,045 GBP

A
Cheapest Retailer
-
£1,199 GBP
A
Retailer 2
-
£1,248 GBP
View
A
Retailer 3
-
£1,251 GBP
View
A
Retailer 4
-
£1,268 GBP
View
A
Retailer 5
-
£1,306 GBP
View
Retailer 6
-
£1,343 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£2,187 GBP
View
Most Expensive
B
NZ Jewellers
e1d95ced-d3a9-485d-b731-44bf3c65fe40 · Nov 3
£3,045 GBP
$4,076 USD
View
7 more retailers have this diamond
Prices start from £1,199 GBPSave up to £1,846 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
1.01ct Marquise
£1,199 GBP