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Marquise|Natural|GIA

1.20ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2564577837

Certificate GIA 2564577837

Diamond specifications and retailer prices

From £3,952 GBP
As of November 4, 2026
Save £3,217 GBP (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £7,169 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded E 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 2564577837. Listed at 14 retailers as of November 4, 2026, with prices from £3,952 to £7,169, a £3,217 spread on the same certified stone. Wholesale Diamonds Direct lists it at £7,169. 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

1.20
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.64°
Pavilion angle37.65°
OriginNatural
Grading LabGIA
CertificateGIA 2564577837
Dimensions11.38 × 5.55 × 3.23 mm
L/W Ratio2.05
Culet sizeNone
Top View
11.38 mm5.55 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564577837
Side View
Table 60.0%Crown 36.64°Girdle: THN-THKPavilion 37.65°Culet: NDepth 58.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £5,012 GBP|Low: £3,952 GBP|High: £7,169 GBP|Avg: £4,970 GBP|+0.1%
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
Wholesale Diamonds Direct
November 6, 2026
Retailer 8£3,952 GBP
Retailer 5£4,018 GBP
Retailer 12£4,060 GBP
Retailer 7£4,136 GBP
Retailer 3£4,181 GBP
Retailer 13£4,235 GBP
Retailer 11£4,277 GBP
Retailer 6£4,465 GBP
Retailer 4£4,993 GBP
Retailer 1£5,012 GBP
Retailer 10£5,016 GBP
Retailer 2£6,486 GBP
Retailer 9£6,810 GBP
Wholesale Diamonds Direct£7,169 GBP

21 data points across 14 retailers

14 retailers£3,952 GBP to £7,169 GBP

B+
Cheapest Retailer
-
£3,952 GBP
B+
Retailer 2
-
£4,018 GBP
View
B+
Retailer 3
-
£4,060 GBP
View
B+
Retailer 4
-
£4,136 GBP
View
B+
Retailer 5
-
£4,181 GBP
View
B+
Retailer 6
-
£4,235 GBP
View
B+
Retailer 7
-
£4,277 GBP
View
B+
Retailer 8
-
£4,465 GBP
View
B
Retailer 9
-
£4,993 GBP
View
B
Retailer 10
-
£5,012 GBP
View
B
Retailer 11
-
£5,016 GBP
View
B
Retailer 12
-
£6,486 GBP
View
B
Retailer 13
-
£6,810 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
661914510 · Nov 4
£7,169 GBP
$9,649 USD
View
13 more retailers have this diamond
Prices start from £3,952 GBPSave up to £3,217 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+
1.20ct Marquise
£3,952 GBP