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Oval|Natural|GIA

1.21ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 2554062451

Certificate GIA 2554062451

Diamond specifications and retailer prices

From £2,631 GBP
As of November 5, 2026
Save £2,612 GBP (50%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £5,242 GBP at MOH London · As of November 4, 2026
View at MOH London

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 2554062451. Listed at 17 retailers as of November 4, 2026, with prices from £2,631 to £5,242, a £2,612 spread on the same certified stone. MOH London lists it at £5,242. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2554062451
Dimensions8.27 × 5.90 × 3.74 mm
L/W Ratio1.40
Top View
8.27 mm5.90 mm1.21 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2554062451
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £5,242 GBP|Low: £1,597 GBP|High: £5,285 GBP|Avg: £2,431 GBP|+44.8%
MOH London
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 8£1,597 GBP
Retailer 9£1,762 GBP
Retailer 5£1,848 GBP
Retailer 4£1,888 GBP
Retailer 10£1,993 GBP
Retailer 7£2,040 GBP
Retailer 3£2,114 GBP
Retailer 17£2,631 GBP
Retailer 16£2,760 GBP
Retailer 18£2,808 GBP
Retailer 13£2,843 GBP
Retailer 6£3,248 GBP
Retailer 14£3,254 GBP
Retailer 2£3,285 GBP
Retailer 11£3,323 GBP
Retailer 12£3,734 GBP
Retailer 15£3,806 GBP
MOH London£5,242 GBP

35 data points across 18 retailers

17 retailers£2,631 GBP to £5,242 GBP

Retailer 1
-
£1,597 GBP
Price last confirmed 13 days ago
Retailer 2
-
£1,762 GBP
View
Price last confirmed 14 days ago
Retailer 3
-
£1,888 GBP
View
Price last confirmed 16 days ago
Retailer 4
-
£2,040 GBP
View
Price last confirmed 16 days ago
B+
Retailer 5
-
£2,631 GBP
View
Retailer 6
-
£2,682 GBP
View
Price last confirmed 9 days ago
B
Retailer 7
-
£2,760 GBP
View
Final sale: no returns
B
Retailer 8
-
£2,808 GBP
View
B+
Retailer 9
-
£2,843 GBP
View
Retailer 10
-
£3,248 GBP
View
Price last confirmed 21 days ago
B
Retailer 11
-
£3,254 GBP
View
B+
Retailer 12
-
£3,285 GBP
View
B
Retailer 13
-
£3,323 GBP
View
B
Retailer 14
-
£3,734 GBP
View
B
Retailer 15
-
£3,806 GBP
View
Retailer 16
-
£4,663 GBP
View
Price last confirmed 42 days ago
Most Expensive
C
MOH London
8A2A21DB3 · Nov 4
£5,242 GBP
View
16 more retailers have this diamond
Prices start from £2,631 GBPSave up to £2,612 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 Oval
£2,631 GBP