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Marquise|Natural|GIA

2.01ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 5556802686

Certificate GIA 5556802686

Diamond specifications and retailer prices

From £10,740 GBP
As of November 6, 2026
Save £7,617 GBP (41%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £18,357 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 2.01ct natural marquise diamond

This 2.01ct natural marquise sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556802686. Listed at 23 retailers as of November 4, 2026, with prices from £10,740 to £18,357, a £7,617 spread on the same certified stone. MOH London lists it at £18,357. 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

2.01
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5556802686
Dimensions12.68 × 6.66 × 4.01 mm
L/W Ratio1.90
Culet sizeNone
Key to symbols
Feather, Crystal, Twinning Wisp, Cavity, Needle
Top View
12.68 mm6.66 mm2.01 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5556802686
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: 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: £18,357 GBP|Low: £10,740 GBP|High: £18,627 GBP|Avg: £13,479 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2£10,740 GBP
Retailer 10£10,818 GBP
Retailer 4£11,294 GBP
Retailer 5£11,334 GBP
Retailer 6£11,510 GBP
Retailer 9£12,297 GBP
Retailer 3£12,371 GBP
Retailer 12£12,563 GBP
Retailer 7£13,648 GBP
Retailer 11£14,130 GBP
Retailer 8£16,183 GBP
MOH London£18,357 GBP

30 data points across 12 retailers

23 retailers£10,740 GBP to £18,357 GBP

A
Cheapest Retailer
-
£10,740 GBP
B+
Retailer 2
-
£10,818 GBP
View
B+
Retailer 3
-
£10,835 GBP
View
B+
Retailer 4
-
£11,051 GBP
View
B+
Retailer 5
-
£11,294 GBP
View
Final sale: no returns
B+
Retailer 6
-
£11,334 GBP
View
B+
Retailer 7
-
£11,510 GBP
View
B+
Retailer 8
-
£11,547 GBP
View
Retailer 9
-
£11,786 GBP
View
Price last confirmed 21 days ago
B+
Retailer 10
-
£12,297 GBP
View
Retailer 11
-
£12,371 GBP
View
Price last confirmed 14 days ago
B+
Retailer 12
-
£12,563 GBP
View
Retailer 13
-
£12,571 GBP
View
Price last confirmed 36 days ago
Retailer 14
-
£12,767 GBP
View
Price last confirmed 29 days ago
Retailer 15
-
£13,258 GBP
View
Price last confirmed 52 days ago
Retailer 16
-
£13,258 GBP
View
Price last confirmed 28 days ago
Retailer 17
-
£13,367 GBP
View
Price last confirmed 14 days ago
B
Retailer 18
-
£13,648 GBP
View
B
Retailer 19
-
£13,770 GBP
View
B
Retailer 20
-
£14,130 GBP
View
B
Retailer 21
-
£16,183 GBP
View
Retailer 22
-
£16,696 GBP
View
Price last confirmed 37 days ago
Most Expensive
B
MOH London
501950F86 · Nov 4
£18,357 GBP
View
22 more retailers have this diamond
Prices start from £10,740 GBPSave up to £7,617 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
2.01ct Marquise
£10,740 GBP