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Oval|Natural|GIA

1.51ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 2243057392

Certificate GIA 2243057392

Diamond specifications and retailer prices

From £3,900 GBP
As of November 4, 2026
Save £2,973 GBP (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,873 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded I 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 2243057392. Listed at 16 retailers as of November 4, 2026, with prices from £3,900 to £6,873, a £2,973 spread on the same certified stone. Wholesale Diamonds Direct lists it at £6,873. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.96°
Pavilion angle39.61°
OriginNatural
Grading LabGIA
CertificateGIA 2243057392
Dimensions8.97 × 6.45 × 4.02 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.97 mm6.45 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2243057392
Side View
Table 59.0%Crown 38.96°Girdle: MED-THKPavilion 39.61°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £5,700 GBP|Low: £3,783 GBP|High: £6,985 GBP|Avg: £4,752 GBP
Retailer 1
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
Wholesale Diamonds Direct
November 6, 2026
Retailer 6£3,900 GBP
Retailer 10£3,919 GBP
Retailer 14£3,961 GBP
Retailer 15£4,052 GBP
Retailer 7£4,072 GBP
Retailer 2£4,177 GBP
Retailer 11£4,233 GBP
Retailer 4£4,750 GBP
Retailer 13£4,761 GBP
Retailer 3£4,767 GBP
Retailer 12£5,307 GBP
Retailer 1£5,700 GBP
Retailer 9£5,700 GBP
Retailer 8£5,887 GBP
Retailer 5£6,604 GBP
Wholesale Diamonds Direct£6,873 GBP

32 data points across 16 retailers

16 retailers£3,900 GBP to £6,873 GBP

A
Cheapest Retailer
-
£3,900 GBP
A
Retailer 2
-
£3,919 GBP
View
A
Retailer 3
-
£3,961 GBP
View
A
Retailer 4
-
£4,052 GBP
View
Retailer 5
-
£4,072 GBP
View
Price last confirmed 19 days ago
B+
Retailer 6
-
£4,177 GBP
View
A
Retailer 7
-
£4,233 GBP
View
B+
Retailer 8
-
£4,750 GBP
View
B+
Retailer 9
-
£4,761 GBP
View
B+
Retailer 10
-
£4,767 GBP
View
B+
Retailer 11
-
£5,307 GBP
View
B
Retailer 12
-
£5,700 GBP
View
B
Retailer 13
-
£5,700 GBP
View
B
Retailer 14
-
£5,887 GBP
View
B
Retailer 15
-
£6,604 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
331200775 · Nov 4
£6,873 GBP
$9,199 USD
View
15 more retailers have this diamond
Prices start from £3,900 GBPSave up to £2,973 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.

A
1.51ct Oval
£3,900 GBP