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Oval|Natural|GIA

1.23ct K VS2 Oval Natural Diamond

ID • K/VS2 • GIA 1

Certificate GIA 1

Diamond specifications and retailer prices

From £2,488 GBP
As of November 4, 2026
Save £632 GBP (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,120 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.23ct natural oval diamond

This 1.23ct natural oval sits in the classic one-carat band, graded K colour (faint-tinted) and VS2 clarity (very-slightly-included), 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 £2,488 to £3,120, a £632 spread on the same certified stone. Blue Nile lists it at £3,120. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
K
Colour
VS2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1
Dimensions8.49 × 5.99 × 3.79 mm
L/W Ratio1.42
Top View
8.49 mm5.99 mm1.23 ctK / VS2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.3%

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: £3,120 GBP|Low: £2,488 GBP|High: £3,153 GBP|Avg: £2,680 GBP|-1.0%
Blue Nile
Retailer 2
Retailer 3
October 17, 2026
Retailer 2£2,488 GBP
Retailer 3£2,492 GBP
Blue Nile£3,120 GBP

4 data points across 3 retailers

3 retailers£2,488 GBP to £3,120 GBP

B
Cheapest Retailer
-
£2,488 GBP
B
Retailer 2
-
£2,492 GBP
View
Most Expensive
B
Blue Nile
15930643 · Nov 5
£3,120 GBP
$4,176 USD
View
2 more retailers have this diamond
Prices start from £2,488 GBPSave up to £632 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
1.23ct Oval
£2,488 GBP