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Oval|Natural|GIA

1.21ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 6545352780

Certificate GIA 6545352780

Diamond specifications and retailer prices

From £1,903 GBP
As of November 6, 2026
Save £2,229 GBP (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,132 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545352780. Listed at 17 retailers as of November 5, 2026, with prices from £1,903 to £4,132, a £2,229 spread on the same certified stone. NZ Jewellers lists it at £4,132. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6545352780
Dimensions8.45 × 5.94 × 3.68 mm
L/W Ratio1.42
Top View
8.45 mm5.94 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545352780
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.0%

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: £4,132 GBP|Low: £1,802 GBP|High: £4,175 GBP|Avg: £2,523 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 9£1,903 GBP
Retailer 7£1,942 GBP
Retailer 12£1,942 GBP
Retailer 14£1,983 GBP
Retailer 4£2,149 GBP
Retailer 15£2,215 GBP
Retailer 8£2,254 GBP
Retailer 2£2,332 GBP
Retailer 17£2,344 GBP
Retailer 3£2,356 GBP
Retailer 11£2,463 GBP
Retailer 5£2,473 GBP
Retailer 16£2,473 GBP
Retailer 13£2,480 GBP
Retailer 10£2,555 GBP
Retailer 6£3,996 GBP
NZ Jewellers£4,132 GBP

36 data points across 17 retailers

17 retailers£1,903 GBP to £4,132 GBP

A
Cheapest Retailer
-
£1,903 GBP
A
Retailer 2
-
£1,942 GBP
View
A
Retailer 3
-
£1,942 GBP
View
B+
Retailer 4
-
£1,983 GBP
View
Final sale: no returns
B+
Retailer 5
-
£2,149 GBP
View
B+
Retailer 6
-
£2,215 GBP
View
B+
Retailer 7
-
£2,254 GBP
View
B+
Retailer 8
-
£2,332 GBP
View
B+
Retailer 9
-
£2,344 GBP
View
B+
Retailer 10
-
£2,356 GBP
View
B+
Retailer 11
-
£2,463 GBP
View
B+
Retailer 12
-
£2,473 GBP
View
B+
Retailer 13
-
£2,473 GBP
View
B+
Retailer 14
-
£2,480 GBP
View
B
Retailer 15
-
£2,555 GBP
View
B
Retailer 16
-
£3,996 GBP
View
Most Expensive
B
NZ Jewellers
81ccf7bc-6807-492c-aaff-b6d73d475001 · Nov 5
£4,132 GBP
$5,531 USD
View
16 more retailers have this diamond
Prices start from £1,903 GBPSave up to £2,229 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
£1,903 GBP