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Oval|Natural|GIA

1.21ct G SI2 Oval Natural Diamond

ID • G/SI2 • GIA 2538754315

Certificate GIA 2538754315

Diamond specifications and retailer prices

From £1,996 GBP
As of November 6, 2026
Save £2,554 GBP (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,549 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 G 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 2538754315. Listed at 17 retailers as of November 5, 2026, with prices from £1,996 to £4,549, a £2,554 spread on the same certified stone. NZ Jewellers lists it at £4,549. 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
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.5°
OriginNatural
Grading LabGIA
CertificateGIA 2538754315
Dimensions8.48 × 5.95 × 3.69 mm
L/W Ratio1.43
Top View
8.48 mm5.95 mm1.21 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2538754315
Side View
Table 60.0%CrownGirdle: MED-THKPavilion 39.5°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,895 GBP|Low: £1,820 GBP|High: £4,419 GBP|Avg: £2,782 GBP|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3£1,820 GBP
Retailer 11£2,259 GBP
Retailer 10£2,336 GBP
Retailer 9£2,441 GBP
Retailer 5£2,443 GBP
Retailer 2£2,595 GBP
Retailer 8£2,595 GBP
Retailer 4£2,728 GBP
Retailer 1£2,895 GBP
Retailer 7£3,807 GBP
Retailer 6£4,355 GBP

38 data points across 11 retailers

17 retailers£1,996 GBP to £4,549 GBP

A
Cheapest Retailer
-
£1,996 GBP
Retailer 2
-
£2,228 GBP
View
Price last confirmed 179 days ago
B+
Retailer 3
-
£2,259 GBP
View
B+
Retailer 4
-
£2,336 GBP
View
B+
Retailer 5
-
£2,441 GBP
View
B+
Retailer 6
-
£2,443 GBP
View
B+
Retailer 7
-
£2,595 GBP
View
B+
Retailer 8
-
£2,595 GBP
View
B+
Retailer 9
-
£2,712 GBP
View
B+
Retailer 10
-
£2,712 GBP
View
B+
Retailer 11
-
£2,728 GBP
View
B+
Retailer 12
-
£2,802 GBP
View
B+
Retailer 13
-
£2,895 GBP
View
B
Retailer 14
-
£3,807 GBP
View
B
Retailer 15
-
£4,355 GBP
View
Retailer 16
-
£4,549 GBP
View
Price last confirmed 48 days ago
Most Expensive
B
NZ Jewellers
18d1026a-2ae6-4a76-812a-7fe009b6a5b5 · Nov 5
£4,549 GBP
$6,089 USD
View
16 more retailers have this diamond
Prices start from £1,996 GBPSave up to £2,554 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
£1,996 GBP