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Marquise|Natural|GIA

1.01ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 5242042690

Certificate GIA 5242042690

Diamond specifications and retailer prices

From £2,352 GBP
As of November 6, 2026
Save £3,071 GBP (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,423 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5242042690. Listed at 23 retailers as of November 3, 2026, with prices from £2,352 to £5,423, a £3,071 spread on the same certified stone. NZ Jewellers lists it at £5,423. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5242042690
Dimensions10.12 × 5.31 × 3.20 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Cavity, Needle
Top View
10.12 mm5.31 mm1.01 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5242042690
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 60.2%

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 6
Current: £5,423 GBP|Low: £2,352 GBP|High: £5,423 GBP|Avg: £3,439 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
Retailer 14
Retailer 15
November 6, 2026
Retailer 14£2,352 GBP
Retailer 2£2,430 GBP
Retailer 9£2,752 GBP
Retailer 7£2,787 GBP
Retailer 8£3,020 GBP
Retailer 3£3,113 GBP
Retailer 5£3,113 GBP
Retailer 6£3,113 GBP
Retailer 11£3,184 GBP
Retailer 10£3,508 GBP
Retailer 4£3,592 GBP
Retailer 13£3,826 GBP
Retailer 15£4,563 GBP
Retailer 12£5,206 GBP
NZ Jewellers£5,423 GBP

24 data points across 15 retailers

23 retailers£2,352 GBP to £5,423 GBP

A
Cheapest Retailer
-
£2,352 GBP
A
Retailer 2
-
£2,430 GBP
View
A
Retailer 3
-
£2,752 GBP
View
B+
Retailer 4
-
£2,787 GBP
View
B+
Retailer 5
-
£2,871 GBP
View
B+
Retailer 6
-
£2,873 GBP
View
B+
Retailer 7
-
£2,873 GBP
View
Final sale: no returns
B+
Retailer 8
-
£2,962 GBP
View
B+
Retailer 9
-
£3,020 GBP
View
B+
Retailer 10
-
£3,029 GBP
View
B+
Retailer 11
-
£3,113 GBP
View
Retailer 12
-
£3,113 GBP
View
Price last confirmed 9 days ago
B+
Retailer 13
-
£3,113 GBP
View
B+
Retailer 14
-
£3,184 GBP
View
B+
Retailer 15
-
£3,223 GBP
View
B+
Retailer 16
-
£3,228 GBP
View
Retailer 17
-
£3,351 GBP
View
Price last confirmed 34 days ago
B+
Retailer 18
-
£3,508 GBP
View
B+
Retailer 19
-
£3,592 GBP
View
B+
Retailer 20
-
£3,826 GBP
View
Retailer 21
-
£4,563 GBP
View
Price last confirmed 10 days ago
B
Retailer 22
-
£5,206 GBP
View
Most Expensive
B
NZ Jewellers
a5228934-c0b1-40b8-86eb-34f5311790e1 · Nov 3
£5,423 GBP
$7,259 USD
View
22 more retailers have this diamond
Prices start from £2,352 GBPSave up to £3,071 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
£2,352 GBP