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Marquise|Natural|GIA

1.20ct K SI1 Marquise Natural Diamond

VG • K/SI1 • GIA 2546975036

Certificate GIA 2546975036

Diamond specifications and retailer prices

From £1,712 GBP
As of November 6, 2026
Save £2,292 GBP (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,005 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 SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2546975036. Listed at 16 retailers as of November 5, 2026, with prices from £1,712 to £4,005, a £2,292 spread on the same certified stone. NZ Jewellers lists it at £4,005. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
K
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546975036
Dimensions10.56 × 5.52 × 3.52 mm
L/W Ratio1.91
Top View
10.56 mm5.52 mm1.20 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546975036
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.6%

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: £1,712 GBP|Low: £1,712 GBP|High: £3,890 GBP|Avg: £2,478 GBP|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1£1,712 GBP
Retailer 7£2,012 GBP
Retailer 6£2,238 GBP
Retailer 3£2,376 GBP
Retailer 2£2,516 GBP
Retailer 4£2,805 GBP
Retailer 5£3,834 GBP

35 data points across 7 retailers

16 retailers£1,712 GBP to £4,005 GBP

A
Cheapest Retailer
-
£1,712 GBP
B+
Retailer 2
-
£2,012 GBP
View
B+
Retailer 3
-
£2,058 GBP
View
B
Retailer 4
-
£2,189 GBP
View
B
Retailer 5
-
£2,238 GBP
View
B
Retailer 6
-
£2,299 GBP
View
Retailer 7
-
£2,299 GBP
View
Price last confirmed 8 days ago
B
Retailer 8
-
£2,376 GBP
View
B
Retailer 9
-
£2,387 GBP
View
B
Retailer 10
-
£2,405 GBP
View
B+
Retailer 11
-
£2,516 GBP
View
Retailer 12
-
£2,540 GBP
View
Price last confirmed 38 days ago
B
Retailer 13
-
£2,652 GBP
View
B
Retailer 14
-
£2,805 GBP
View
B
Retailer 15
-
£3,834 GBP
View
Most Expensive
C
NZ Jewellers
0830d6c9-e26f-4837-9bac-2fde50975275 · Nov 5
£4,005 GBP
$5,360 USD
View
15 more retailers have this diamond
Prices start from £1,712 GBPSave up to £2,292 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
£1,712 GBP