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Marquise|Natural|GIA

1.20ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6562041085

Certificate GIA 6562041085

Diamond specifications and retailer prices

From £3,212 GBP
As of November 4, 2026
Save £2,524 GBP (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,736 GBP at Wholesale Diamonds Direct · As of November 6, 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 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 6562041085. Listed at 14 retailers as of November 4, 2026, with prices from £3,212 to £5,736, a £2,524 spread on the same certified stone. Wholesale Diamonds Direct lists it at £5,736. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.4°
Pavilion angle38.1°
OriginNatural
Grading LabGIA
CertificateGIA 6562041085
Dimensions10.40 × 5.46 × 3.37 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.40 mm5.46 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562041085
Side View
Table 57.0%Crown 39.4°Girdle: MED-VTKPavilion 38.1°Culet: NDepth 61.8%

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: £3,417 GBP|Low: £3,212 GBP|High: £6,085 GBP|Avg: £4,208 GBP|-5.9%
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 5£3,212 GBP
Retailer 12£3,248 GBP
Retailer 10£3,340 GBP
Retailer 9£3,372 GBP
Retailer 1£3,417 GBP
Retailer 4£3,521 GBP
Retailer 8£3,626 GBP
Retailer 13£4,052 GBP
Retailer 2£4,058 GBP
Retailer 7£4,146 GBP
Retailer 6£4,474 GBP
Retailer 11£5,440 GBP
Retailer 3£5,566 GBP
Wholesale Diamonds Direct£5,736 GBP

28 data points across 14 retailers

14 retailers£3,212 GBP to £5,736 GBP

B+
Cheapest Retailer
-
£3,212 GBP
B+
Retailer 2
-
£3,248 GBP
View
B+
Retailer 3
-
£3,340 GBP
View
B+
Retailer 4
-
£3,372 GBP
View
B+
Retailer 5
-
£3,417 GBP
View
B+
Retailer 6
-
£3,521 GBP
View
B+
Retailer 7
-
£3,626 GBP
View
B
Retailer 8
-
£4,052 GBP
View
B
Retailer 9
-
£4,058 GBP
View
B
Retailer 10
-
£4,146 GBP
View
B
Retailer 11
-
£4,474 GBP
View
B
Retailer 12
-
£5,440 GBP
View
B
Retailer 13
-
£5,566 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
302936987 · Nov 6
£5,736 GBP
$7,677 USD
View
13 more retailers have this diamond
Prices start from £3,212 GBPSave up to £2,524 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
£3,212 GBP