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Oval|Natural|GIA

1.21ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 5546351811

Certificate GIA 5546351811

Diamond specifications and retailer prices

From £2,338 GBP
As of November 3, 2026
Save £1,866 GBP (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,205 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546351811. Listed at 8 retailers as of November 2, 2026, with prices from £2,338 to £4,205, a £1,866 spread on the same certified stone. NZ Jewellers lists it at £4,205. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle37.71°
Pavilion angle40.79°
OriginNatural
Grading LabGIA
CertificateGIA 5546351811
Dimensions8.34 × 5.92 × 3.83 mm
L/W Ratio1.41
Top View
8.34 mm5.92 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5546351811
Side View
Table 57.0%Crown 37.71°Girdle: STK-VTKPavilion 40.79°Culet: NoneDepth 64.6%

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 3
Current: £4,205 GBP|Low: £2,338 GBP|High: £6,653 GBP|Avg: £3,247 GBP|-1.0%
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 2, 2026
Retailer 8£2,338 GBP
Retailer 2£2,353 GBP
Retailer 7£2,413 GBP
Retailer 6£2,506 GBP
Retailer 9£2,524 GBP
Retailer 10£2,604 GBP
Retailer 3£2,677 GBP
Retailer 4£2,814 GBP
Retailer 11£2,853 GBP
Retailer 5£4,036 GBP
NZ Jewellers£4,205 GBP
Retailer 12£6,653 GBP

36 data points across 12 retailers

8 retailers£2,338 GBP to £4,205 GBP

A
Cheapest Retailer
-
£2,338 GBP
A
Retailer 2
-
£2,353 GBP
View
A
Retailer 3
-
£2,413 GBP
View
A
Retailer 4
-
£2,506 GBP
View
A
Retailer 5
-
£2,524 GBP
View
Retailer 6
-
£2,604 GBP
View
Price last confirmed 30 days ago
B
Retailer 7
-
£4,036 GBP
View
Most Expensive
B
NZ Jewellers
47094129-51d4-47c5-a6ca-7c40ae11f344 · Nov 2
£4,205 GBP
$5,628 USD
View
7 more retailers have this diamond
Prices start from £2,338 GBPSave up to £1,866 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
1.21ct Oval
£2,338 GBP