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Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

ID • K/SI2 • GIA 2447864922

Certificate GIA 2447864922

Diamond specifications and retailer prices

From £2,844 GBP
As of November 6, 2026
Save £3,522 GBP (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £6,366 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two 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 2447864922. Listed at 14 retailers as of November 5, 2026, with prices from £2,844 to £6,366, a £3,522 spread on the same certified stone. NZ Jewellers lists it at £6,366. 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

1.51
Carat
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2447864922
Dimensions8.59 × 6.28 × 4.07 mm
L/W Ratio1.37
Top View
8.59 mm6.28 mm1.51 ctK / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2447864922
Side View
Table 61.0%CrownGirdle: UNDPavilionCulet: NDepth 64.8%

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 6
Current: £6,366 GBP|Low: £2,844 GBP|High: £6,366 GBP|Avg: £4,032 GBP
NZ Jewellers
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£2,844 GBP
Retailer 6£3,042 GBP
Retailer 8£3,449 GBP
Retailer 9£3,449 GBP
Retailer 11£3,449 GBP
Retailer 4£3,748 GBP
Retailer 2£3,793 GBP
Retailer 10£3,979 GBP
Retailer 7£4,306 GBP
Retailer 5£6,046 GBP
NZ Jewellers£6,366 GBP

44 data points across 11 retailers

14 retailers£2,844 GBP to £6,366 GBP

B+
Cheapest Retailer
-
£2,844 GBP
B+
Retailer 2
-
£3,007 GBP
View
B+
Retailer 3
-
£3,042 GBP
View
B+
Retailer 4
-
£3,424 GBP
View
Retailer 5
-
£3,449 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£3,449 GBP
View
B+
Retailer 7
-
£3,449 GBP
View
B+
Retailer 8
-
£3,748 GBP
View
B+
Retailer 9
-
£3,793 GBP
View
B
Retailer 10
-
£3,940 GBP
View
B
Retailer 11
-
£3,979 GBP
View
B
Retailer 12
-
£4,306 GBP
View
B
Retailer 13
-
£6,046 GBP
View
Most Expensive
C
NZ Jewellers
17671d82-d46a-47d7-843d-2b13f8a86746 · Nov 5
£6,366 GBP
$8,521 USD
View
13 more retailers have this diamond
Prices start from £2,844 GBPSave up to £3,522 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+
1.51ct Oval
£2,844 GBP