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Marquise|Natural|GIA

1.20ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 2567421714

Certificate GIA 2567421714

Diamond specifications and retailer prices

From £3,356 GBP
As of November 6, 2026
Save £4,138 GBP (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £7,494 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 2567421714. Listed at 17 retailers as of November 5, 2026, with prices from £3,356 to £7,494, a £4,138 spread on the same certified stone. NZ Jewellers lists it at £7,494. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567421714
Dimensions11.51 × 5.37 × 3.28 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle, Indented Natural
Top View
11.51 mm5.37 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567421714
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.1%

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 6
Current: £7,494 GBP|Low: £3,328 GBP|High: £7,494 GBP|Avg: £4,707 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 15£3,356 GBP
Retailer 2£3,482 GBP
Retailer 6£3,831 GBP
Retailer 10£3,924 GBP
Retailer 5£3,937 GBP
Retailer 9£4,136 GBP
Retailer 13£4,327 GBP
Retailer 11£4,406 GBP
Retailer 8£4,430 GBP
Retailer 3£4,480 GBP
Retailer 17£4,480 GBP
Retailer 18£4,480 GBP
Retailer 7£4,597 GBP
Retailer 12£4,868 GBP
Retailer 16£5,170 GBP
Retailer 4£6,267 GBP
Retailer 14£6,584 GBP
NZ Jewellers£7,494 GBP

19 data points across 18 retailers

17 retailers£3,356 GBP to £7,494 GBP

B+
Cheapest Retailer
-
£3,356 GBP
B+
Retailer 2
-
£3,482 GBP
View
Retailer 3
-
£3,831 GBP
View
Price last confirmed 14 days ago
B+
Retailer 4
-
£3,924 GBP
View
B+
Retailer 5
-
£4,136 GBP
View
Final sale: no returns
B+
Retailer 6
-
£4,327 GBP
View
B+
Retailer 7
-
£4,406 GBP
View
B
Retailer 8
-
£4,430 GBP
View
B+
Retailer 9
-
£4,480 GBP
View
Retailer 10
-
£4,480 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£4,480 GBP
View
B
Retailer 12
-
£4,597 GBP
View
B
Retailer 13
-
£4,868 GBP
View
B
Retailer 14
-
£5,170 GBP
View
Retailer 15
-
£6,267 GBP
View
Price last confirmed 9 days ago
B
Retailer 16
-
£6,584 GBP
View
Most Expensive
B
NZ Jewellers
423f7253-55bc-45fb-8b35-e11f38cd1a48 · Nov 5
£7,494 GBP
$10,031 USD
View
16 more retailers have this diamond
Prices start from £3,356 GBPSave up to £4,138 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
£3,356 GBP