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Marquise|Natural|GIA

1.01ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 1543376940

Certificate GIA 1543376940

Diamond specifications and retailer prices

From £2,027 GBP
As of November 4, 2026
Save £2,572 GBP (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,599 GBP at NZ Jewellers · As of November 5, 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 I 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 1543376940. Listed at 20 retailers as of November 4, 2026, with prices from £2,027 to £4,599, a £2,572 spread on the same certified stone. NZ Jewellers lists it at £4,599. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1543376940
Dimensions10.50 × 5.10 × 3.18 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizeNone
Top View
10.50 mm5.10 mm1.01 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543376940
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.4%

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: Nov 4
Current: £2,716 GBP|Low: £1,906 GBP|High: £4,468 GBP|Avg: £2,827 GBP|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6£2,050 GBP
Retailer 4£2,096 GBP
Retailer 5£2,483 GBP
Retailer 1£2,716 GBP
Retailer 7£2,760 GBP
Retailer 8£2,991 GBP
Retailer 3£3,077 GBP
Retailer 2£4,403 GBP

43 data points across 8 retailers

20 retailers£2,027 GBP to £4,599 GBP

B+
Cheapest Retailer
-
£2,027 GBP
B+
Retailer 2
-
£2,050 GBP
View
B+
Retailer 3
-
£2,096 GBP
View
Final sale: no returns
B+
Retailer 4
-
£2,115 GBP
View
B+
Retailer 5
-
£2,391 GBP
View
B+
Retailer 6
-
£2,405 GBP
View
B+
Retailer 7
-
£2,445 GBP
View
B
Retailer 8
-
£2,483 GBP
View
B
Retailer 9
-
£2,598 GBP
View
B
Retailer 10
-
£2,598 GBP
View
B+
Retailer 11
-
£2,712 GBP
View
B+
Retailer 12
-
£2,712 GBP
View
B+
Retailer 13
-
£2,716 GBP
View
B
Retailer 14
-
£2,760 GBP
View
B
Retailer 15
-
£2,809 GBP
View
Retailer 16
-
£2,991 GBP
View
Price last confirmed 14 days ago
B
Retailer 17
-
£3,077 GBP
View
B
Retailer 18
-
£3,101 GBP
View
B
Retailer 19
-
£4,403 GBP
View
Most Expensive
B
NZ Jewellers
0b2d57cb-7705-4808-b6df-cf3bb943bbec · Nov 5
£4,599 GBP
$6,156 USD
View
19 more retailers have this diamond
Prices start from £2,027 GBPSave up to £2,572 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
£2,027 GBP