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Marquise|Natural|GIA

2.05ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 5556973344

Certificate GIA 5556973344

Diamond specifications and retailer prices

From £13,577 GBP
As of November 4, 2026
Save £11,777 GBP (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £25,355 GBP at With Clarity · As of November 6, 2026
View at With Clarity

About this 2.05ct natural marquise diamond

This 2.05ct natural marquise sits in the two to three carat band, graded H 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 5556973344. Listed at 14 retailers as of November 4, 2026, with prices from £13,577 to £25,355, a £11,777 spread on the same certified stone. With Clarity lists it at £25,355. 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

2.05
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.44°
Pavilion angle42.17°
OriginNatural
Grading LabGIA
CertificateGIA 5556973344
Dimensions13.59 × 6.55 × 4.07 mm
L/W Ratio2.07
Culet sizeNone
Top View
13.59 mm6.55 mm2.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556973344
Side View
Table 59.0%Crown 36.44°Girdle: MED-THKPavilion 42.17°Culet: NoneDepth 62.2%

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: £15,497 GBP|Low: £13,577 GBP|High: £26,802 GBP|Avg: £17,253 GBP|-7.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
November 6, 2026
Retailer 3£13,577 GBP
Retailer 8£14,587 GBP
Retailer 10£14,822 GBP
Retailer 11£14,829 GBP
Retailer 4£14,971 GBP
Retailer 5£15,267 GBP
Retailer 1£15,497 GBP
Retailer 9£15,633 GBP
Retailer 2£17,196 GBP
Retailer 7£17,322 GBP
Retailer 13£17,458 GBP
Retailer 12£18,180 GBP
Retailer 6£20,853 GBP
With Clarity£25,355 GBP

28 data points across 14 retailers

14 retailers£13,577 GBP to £25,355 GBP

B+
Cheapest Retailer
-
£13,577 GBP
B+
Retailer 2
-
£14,587 GBP
View
B+
Retailer 3
-
£14,822 GBP
View
B+
Retailer 4
-
£14,829 GBP
View
B+
Retailer 5
-
£14,971 GBP
View
Retailer 6
-
£15,267 GBP
View
Price last confirmed 10 days ago
B+
Retailer 7
-
£15,497 GBP
View
B+
Retailer 8
-
£15,633 GBP
View
B
Retailer 9
-
£17,196 GBP
View
B
Retailer 10
-
£17,322 GBP
View
B
Retailer 11
-
£17,458 GBP
View
B
Retailer 12
-
£18,180 GBP
View
B
Retailer 13
-
£20,853 GBP
View
Most Expensive
B
With Clarity
5556973344 · Nov 6
£25,355 GBP
$33,937 USD
View
13 more retailers have this diamond
Prices start from £13,577 GBPSave up to £11,777 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+
2.05ct Marquise
£13,577 GBP