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Marquise|Natural|EGL

1.20ct F SI1 Marquise Natural Diamond

ID • F/SI1 • EGL 1701870630

Certificate EGL 1701870630

Diamond specifications and retailer prices

From £2,085 GBP
As of November 6, 2026
Save £2,393 GBP (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,478 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by EGL 1701870630. Listed at 7 retailers as of November 5, 2026, with prices from £2,085 to £4,478, a £2,393 spread on the same certified stone. NZ Jewellers lists it at £4,478. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabEGL
CertificateEGL 1701870630
Dimensions10.70 × 5.75 × 3.43 mm
L/W Ratio1.86
Top View
10.70 mm5.75 mm1.20 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateEGL 1701870630
Side View
Table 59.0%CrownGirdle: MED-FACPavilionCuletDepth 59.7%

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: £4,478 GBP|Low: £2,085 GBP|High: £4,478 GBP|Avg: £3,045 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 5£2,085 GBP
Retailer 4£2,329 GBP
Retailer 3£2,418 GBP
Retailer 7£2,548 GBP
Retailer 6£2,687 GBP
Retailer 2£4,286 GBP
NZ Jewellers£4,478 GBP

6 data points across 7 retailers

7 retailers£2,085 GBP to £4,478 GBP

A
Cheapest Retailer
-
£2,085 GBP
B+
Retailer 2
-
£2,329 GBP
View
B+
Retailer 3
-
£2,418 GBP
View
B+
Retailer 4
-
£2,548 GBP
View
B+
Retailer 5
-
£2,687 GBP
View
B
Retailer 6
-
£4,286 GBP
View
Most Expensive
B
NZ Jewellers
fbc10071-a05c-408c-bc38-1253fd629632 · Nov 5
£4,478 GBP
$5,994 USD
View
6 more retailers have this diamond
Prices start from £2,085 GBPSave up to £2,393 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
£2,085 GBP