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Marquise|Natural|GIA

1.20ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1568555776

Certificate GIA 1568555776

Diamond specifications and retailer prices

From £3,705 GBP
As of November 5, 2026
Save £3,717 GBP (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £7,422 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 1568555776. Listed at 14 retailers as of November 4, 2026, with prices from £3,705 to £7,422, a £3,717 spread on the same certified stone. Wholesale Diamonds Direct lists it at £7,422. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle36.86°
OriginNatural
Grading LabGIA
CertificateGIA 1568555776
Dimensions11.80 × 5.49 × 3.18 mm
L/W Ratio2.15
Culet sizeNone
Top View
11.80 mm5.49 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568555776
Side View
Table 60.0%Crown 37.2°Girdle: STK-THKPavilion 36.86°Culet: NoneDepth 58.0%

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 5
Current: £5,804 GBP|Low: £3,700 GBP|High: £7,422 GBP|Avg: £5,128 GBP
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£3,705 GBP
Retailer 9£4,094 GBP
Retailer 12£4,206 GBP
Retailer 2£4,332 GBP
Retailer 10£4,358 GBP
Retailer 13£4,376 GBP
Retailer 5£4,431 GBP
Retailer 7£4,626 GBP
Retailer 4£5,161 GBP
Retailer 3£5,188 GBP
Retailer 6£5,192 GBP
Retailer 1£5,804 GBP
Retailer 11£7,055 GBP
Wholesale Diamonds Direct£7,422 GBP

23 data points across 14 retailers

14 retailers£3,705 GBP to £7,422 GBP

B+
Cheapest Retailer
-
£3,705 GBP
B+
Retailer 2
-
£4,094 GBP
View
B+
Retailer 3
-
£4,206 GBP
View
B+
Retailer 4
-
£4,332 GBP
View
B+
Retailer 5
-
£4,358 GBP
View
B+
Retailer 6
-
£4,376 GBP
View
B+
Retailer 7
-
£4,431 GBP
View
B+
Retailer 8
-
£4,626 GBP
View
B
Retailer 9
-
£5,161 GBP
View
B
Retailer 10
-
£5,188 GBP
View
B
Retailer 11
-
£5,192 GBP
View
B
Retailer 12
-
£5,804 GBP
View
B
Retailer 13
-
£7,055 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
545945760 · Nov 4
£7,422 GBP
$9,990 USD
View
13 more retailers have this diamond
Prices start from £3,705 GBPSave up to £3,717 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
£3,705 GBP