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Marquise|Natural|GIA

1.21ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6565212667

Certificate GIA 6565212667

Diamond specifications and retailer prices

From £4,008 GBP
As of November 5, 2026
Save £3,679 GBP (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £7,687 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 6565212667. Listed at 19 retailers as of November 5, 2026, with prices from £4,008 to £7,687, a £3,679 spread on the same certified stone. NZ Jewellers lists it at £7,687. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565212667
Dimensions11.06 × 5.52 × 3.45 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
11.06 mm5.52 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565212667
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.5%

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 5
Current: £7,687 GBP|Low: £3,222 GBP|High: £7,687 GBP|Avg: £4,478 GBP|+5.8%
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 3£3,229 GBP
Retailer 9£3,634 GBP
Retailer 6£3,878 GBP
Retailer 13£4,008 GBP
Retailer 11£4,113 GBP
Retailer 18£4,150 GBP
Retailer 15£4,242 GBP
Retailer 7£4,280 GBP
Retailer 5£4,295 GBP
Retailer 8£4,354 GBP
Retailer 10£4,483 GBP
Retailer 2£4,519 GBP
Retailer 4£4,573 GBP
Retailer 12£4,596 GBP
Retailer 16£4,596 GBP
Retailer 17£5,303 GBP
Retailer 14£6,753 GBP
NZ Jewellers£7,687 GBP

20 data points across 18 retailers

19 retailers£4,008 GBP to £7,687 GBP

Retailer 1
-
£3,229 GBP
Price last confirmed 12 days ago
Retailer 2
-
£3,537 GBP
View
Price last confirmed 11 days ago
Retailer 3
-
£3,634 GBP
View
Price last confirmed 12 days ago
Retailer 4
-
£3,878 GBP
View
Price last confirmed 11 days ago
B
Retailer 5
-
£4,008 GBP
View
B+
Retailer 6
-
£4,113 GBP
View
Retailer 7
-
£4,150 GBP
View
Price last confirmed 11 days ago
B
Retailer 8
-
£4,242 GBP
View
Final sale: no returns
Retailer 9
-
£4,280 GBP
View
Price last confirmed 16 days ago
Retailer 10
-
£4,295 GBP
View
Price last confirmed 12 days ago
Retailer 11
-
£4,354 GBP
View
Price last confirmed 12 days ago
Retailer 12
-
£4,483 GBP
View
Price last confirmed 13 days ago
B
Retailer 13
-
£4,519 GBP
View
Retailer 14
-
£4,573 GBP
View
Price last confirmed 13 days ago
B
Retailer 15
-
£4,596 GBP
View
B
Retailer 16
-
£4,596 GBP
View
B
Retailer 17
-
£5,303 GBP
View
B
Retailer 18
-
£6,753 GBP
View
Most Expensive
B
NZ Jewellers
54e729ab-1e1f-43b2-9eb5-4dd6500896ae · Nov 5
£7,687 GBP
$10,346 USD
View
18 more retailers have this diamond
Prices start from £4,008 GBPSave up to £3,679 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
£4,008 GBP