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Oval|Natural|GIA

1.21ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 6561710278

Certificate GIA 6561710278

Diamond specifications and retailer prices

From £2,208 GBP
As of November 6, 2026
Save £2,574 GBP (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,782 GBP at NZ Jewellers · As of November 5, 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 6561710278. Listed at 18 retailers as of November 5, 2026, with prices from £2,208 to £4,782, a £2,574 spread on the same certified stone. NZ Jewellers lists it at £4,782. 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
SymmetryVery Good
FluorescenceMedium
Crown angle38.4°
Pavilion angle37.6°
OriginNatural
Grading LabGIA
CertificateGIA 6561710278
Dimensions8.29 × 5.99 × 3.79 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Top View
8.29 mm5.99 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6561710278
Side View
Table 62.0%Crown 38.4°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 63.4%

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: £4,782 GBP|Low: £1,989 GBP|High: £4,782 GBP|Avg: £2,783 GBP
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
Retailer 19
Retailer 20
November 6, 2026
Retailer 10£1,989 GBP
Retailer 7£2,041 GBP
Retailer 2£2,208 GBP
Retailer 17£2,288 GBP
Retailer 19£2,295 GBP
Retailer 16£2,402 GBP
Retailer 8£2,468 GBP
Retailer 3£2,486 GBP
Retailer 9£2,506 GBP
Retailer 14£2,662 GBP
Retailer 20£2,735 GBP
Retailer 15£2,736 GBP
Retailer 11£2,787 GBP
Retailer 4£2,787 GBP
Retailer 18£2,869 GBP
Retailer 6£2,943 GBP
Retailer 13£3,259 GBP
Retailer 5£3,268 GBP
Retailer 12£4,494 GBP
NZ Jewellers£4,782 GBP

6 data points across 20 retailers

18 retailers£2,208 GBP to £4,782 GBP

Retailer 1
-
£1,989 GBP
Price last confirmed 9 days ago
Retailer 2
-
£2,041 GBP
View
Price last confirmed 11 days ago
A
Retailer 3
-
£2,208 GBP
View
A
Retailer 4
-
£2,288 GBP
View
A
Retailer 5
-
£2,295 GBP
View
Final sale: no returns
A
Retailer 6
-
£2,402 GBP
View
A
Retailer 7
-
£2,486 GBP
View
B+
Retailer 8
-
£2,662 GBP
View
B+
Retailer 9
-
£2,735 GBP
View
B+
Retailer 10
-
£2,736 GBP
View
Retailer 11
-
£2,787 GBP
View
Price last confirmed 10 days ago
Retailer 12
-
£2,787 GBP
View
Price last confirmed 10 days ago
B+
Retailer 13
-
£2,869 GBP
View
Retailer 14
-
£2,943 GBP
View
Price last confirmed 11 days ago
B
Retailer 15
-
£3,259 GBP
View
Retailer 16
-
£3,268 GBP
View
Price last confirmed 11 days ago
Retailer 17
-
£4,494 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
NZ Jewellers
5d0544a9-4ab1-41be-aa3e-a2fa5eade698 · Nov 5
£4,782 GBP
$6,400 USD
View
17 more retailers have this diamond
Prices start from £2,208 GBPSave up to £2,574 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
£2,208 GBP