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Oval|Natural|GIA

1.21ct K IF Oval Natural Diamond

ID • K/IF • GIA 184

Certificate GIA 184

Diamond specifications and retailer prices

From £2,158 GBP
As of November 4, 2026
Save £569 GBP (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,727 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 4, 2026, with prices from £2,158 to £2,727, a £569 spread on the same certified stone. Blue Nile lists it at £2,727. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
K
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 184
Dimensions8.43 × 5.82 × 3.71 mm
L/W Ratio1.45
Top View
8.43 mm5.82 mm1.21 ctK / IF
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 184
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.7%

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 4
Current: £2,727 GBP|Low: £2,158 GBP|High: £2,727 GBP|Avg: £2,282 GBP
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 3£2,158 GBP
Retailer 2£2,184 GBP
Blue Nile£2,727 GBP

2 data points across 3 retailers

3 retailers£2,158 GBP to £2,727 GBP

B+
Cheapest Retailer
-
£2,158 GBP
B+
Retailer 2
-
£2,184 GBP
View
Most Expensive
B
Blue Nile
29830453 · Nov 5
£2,727 GBP
$3,650 USD
View
2 more retailers have this diamond
Prices start from £2,158 GBPSave up to £569 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
£2,158 GBP