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Marquise|Natural|GIA

1.21ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6542552258

Certificate GIA 6542552258

Diamond specifications and retailer prices

From £4,214 GBP
As of November 6, 2026
Save £3,977 GBP (49%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £8,191 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded E 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 6542552258. Listed at 7 retailers as of November 5, 2026, with prices from £4,214 to £8,191, a £3,977 spread on the same certified stone. NZ Jewellers lists it at £8,191. 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

1.21
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542552258
Dimensions10.77 × 5.51 × 3.41 mm
L/W Ratio1.95
Top View
10.77 mm5.51 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542552258
Side View
Table 61.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £8,191 GBP|Low: £4,214 GBP|High: £8,191 GBP|Avg: £5,882 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7£4,214 GBP
Retailer 6£4,517 GBP
Retailer 4£4,651 GBP
Retailer 2£4,816 GBP
Retailer 3£5,321 GBP
Retailer 5£7,196 GBP
NZ Jewellers£8,191 GBP

40 data points across 7 retailers

7 retailers£4,214 GBP to £8,191 GBP

B+
Cheapest Retailer
-
£4,214 GBP
B+
Retailer 2
-
£4,517 GBP
View
B+
Retailer 3
-
£4,651 GBP
View
B+
Retailer 4
-
£4,816 GBP
View
B
Retailer 5
-
£5,321 GBP
View
B
Retailer 6
-
£7,196 GBP
View
Most Expensive
B
NZ Jewellers
f4066058-7782-4ddb-9f46-304bebf502aa · Nov 5
£8,191 GBP
$11,025 USD
View
6 more retailers have this diamond
Prices start from £4,214 GBPSave up to £3,977 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+
1.21ct Marquise
£4,214 GBP