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Marquise|Natural|GIA

1.20ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 7543956328

Certificate GIA 7543956328

Diamond specifications and retailer prices

From £1,435 GBP
As of November 6, 2026
Save £2,573 GBP (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,008 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7543956328. Listed at 13 retailers as of November 5, 2026, with prices from £1,435 to £4,008, a £2,573 spread on the same certified stone. NZ Jewellers lists it at £4,008. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7543956328
Dimensions10.86 × 5.45 × 3.41 mm
L/W Ratio1.99
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Knot, Cavity, Needle, Indented Natural
Top View
10.86 mm5.45 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7543956328
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.6%

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: £4,008 GBP|Low: £1,435 GBP|High: £4,008 GBP|Avg: £2,108 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
November 5, 2026
Retailer 8£1,435 GBP
Retailer 6£1,569 GBP
Retailer 9£1,737 GBP
Retailer 11£1,817 GBP
Retailer 10£1,895 GBP
Retailer 4£1,916 GBP
Retailer 2£1,959 GBP
Retailer 12£2,004 GBP
Retailer 5£2,028 GBP
Retailer 3£2,430 GBP
Retailer 7£3,349 GBP
NZ Jewellers£4,008 GBP

39 data points across 12 retailers

13 retailers£1,435 GBP to £4,008 GBP

A
Cheapest Retailer
-
£1,435 GBP
A
Retailer 2
-
£1,569 GBP
View
B+
Retailer 3
-
£1,737 GBP
View
Retailer 4
-
£1,764 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£1,817 GBP
View
B+
Retailer 6
-
£1,895 GBP
View
B+
Retailer 7
-
£1,916 GBP
View
B+
Retailer 8
-
£1,959 GBP
View
B+
Retailer 9
-
£2,004 GBP
View
B+
Retailer 10
-
£2,028 GBP
View
B
Retailer 11
-
£2,430 GBP
View
B
Retailer 12
-
£3,349 GBP
View
Most Expensive
C
NZ Jewellers
62a58923-c94c-4236-9bac-4555c6863de1 · Nov 5
£4,008 GBP
$5,395 USD
View
12 more retailers have this diamond
Prices start from £1,435 GBPSave up to £2,573 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
£1,435 GBP