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Oval|Natural|GIA

1.21ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 1419911846

Certificate GIA 1419911846

Diamond specifications and retailer prices

From £2,431 GBP
As of November 4, 2026
Save £1,162 GBP (32%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,593 GBP at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1419911846. Listed at 3 retailers as of November 4, 2026, with prices from £2,431 to £3,593, a £1,162 spread on the same certified stone. 77 Diamonds lists it at £3,593. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1419911846
Dimensions8.32 × 5.73 × 3.74 mm
L/W Ratio1.45
Top View
8.32 mm5.73 mm1.21 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1419911846
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 65.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £3,593 GBP|Low: £3,053 GBP|High: £3,642 GBP|Avg: £3,343 GBP|+1.1%
77 Diamonds
Retailer 2
November 5, 2026
Retailer 2£3,053 GBP
77 Diamonds£3,593 GBP

34 data points across 2 retailers

3 retailers£2,431 GBP to £3,593 GBP

B
Cheapest Retailer
-
£2,431 GBP
B
Retailer 2
-
£3,053 GBP
View
Most Expensive
B
77 Diamonds
OVMBPHYVFCXT · Nov 5
£3,593 GBP
View
2 more retailers have this diamond
Prices start from £2,431 GBPSave up to £1,162 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
£2,431 GBP