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Marquise|Natural|GIA

1.01ct G SI2 Marquise Natural Diamond

ID • G/SI2 • GIA 2556144036

Certificate GIA 2556144036

Diamond specifications and retailer prices

From £1,920 GBP
As of November 2, 2026
Save £2,182 GBP (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,102 GBP at NZ Jewellers · As of October 27, 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 G 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 2556144036. Listed at 7 retailers as of October 27, 2026, with prices from £1,920 to £4,102, a £2,182 spread on the same certified stone. NZ Jewellers lists it at £4,102. 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
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle42.11°
Pavilion angle38.88°
OriginNatural
Grading LabGIA
CertificateGIA 2556144036
Dimensions9.10 × 5.11 × 3.43 mm
L/W Ratio1.78
Girdle conditionExtremely Thick
Key to symbols
Twinning Wisp, Feather, Indented Natural, Natural
Top View
9.10 mm5.11 mm1.01 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556144036
Side View
Table 56.0%Crown 42.11°Girdle: Slightly ThickPavilion 38.88°Culet: NoneDepth 67.1%

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 2
Current: £4,102 GBP|Low: £1,920 GBP|High: £4,318 GBP|Avg: £2,664 GBP|-5.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2£1,920 GBP
Retailer 5£1,962 GBP
Retailer 4£2,051 GBP
Retailer 6£2,110 GBP
Retailer 7£2,116 GBP
Retailer 3£3,403 GBP
NZ Jewellers£4,102 GBP

31 data points across 7 retailers

7 retailers£1,920 GBP to £4,102 GBP

A
Cheapest Retailer
-
£1,920 GBP
Retailer 2
-
£1,962 GBP
$2,633 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
£2,051 GBP
$2,752 USD
View
Retailer 4
-
£2,110 GBP
$2,831 USD
View
Price last confirmed 32 days ago
Retailer 5
-
£2,116 GBP
$2,840 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
£3,403 GBP
View
Most Expensive
B
NZ Jewellers
e1196654-0403-4dcb-aa47-48ace31a5dba · Oct 27
£4,102 GBP
$5,505 USD
View
6 more retailers have this diamond
Prices start from £1,920 GBPSave up to £2,182 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
£1,920 GBP