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Marquise|Natural|GIA

1.20ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6562306385

Certificate GIA 6562306385

Diamond specifications and retailer prices

From £3,286 GBP
As of November 6, 2026
Save £4,087 GBP (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £7,373 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562306385. Listed at 17 retailers as of November 5, 2026, with prices from £3,286 to £7,373, a £4,087 spread on the same certified stone. NZ Jewellers lists it at £7,373. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562306385
Dimensions10.65 × 5.62 × 3.35 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.65 mm5.62 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562306385
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 59.5%

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: £3,286 GBP|Low: £3,286 GBP|High: £6,563 GBP|Avg: £4,615 GBP|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1£3,286 GBP
Retailer 4£4,258 GBP
Retailer 2£4,335 GBP
Retailer 6£4,386 GBP
Retailer 7£4,597 GBP
Retailer 3£4,687 GBP
Retailer 5£6,477 GBP

30 data points across 7 retailers

17 retailers£3,286 GBP to £7,373 GBP

A
Cheapest Retailer
-
£3,286 GBP
B+
Retailer 2
-
£3,512 GBP
View
Final sale: no returns
B+
Retailer 3
-
£3,730 GBP
View
B+
Retailer 4
-
£3,845 GBP
View
B+
Retailer 5
-
£3,976 GBP
View
B+
Retailer 6
-
£4,258 GBP
View
B+
Retailer 7
-
£4,335 GBP
View
B+
Retailer 8
-
£4,386 GBP
View
B+
Retailer 9
-
£4,409 GBP
View
B+
Retailer 10
-
£4,409 GBP
View
Retailer 11
-
£4,409 GBP
View
Price last confirmed 8 days ago
B
Retailer 12
-
£4,524 GBP
View
B
Retailer 13
-
£4,597 GBP
View
B+
Retailer 14
-
£4,687 GBP
View
B
Retailer 15
-
£5,086 GBP
View
B
Retailer 16
-
£6,477 GBP
View
Most Expensive
B
NZ Jewellers
89cb83a5-6ae6-4bb1-b499-0486605d2972 · Nov 5
£7,373 GBP
$9,869 USD
View
16 more retailers have this diamond
Prices start from £3,286 GBPSave up to £4,087 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
1.20ct Marquise
£3,286 GBP