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Oval|Natural|IGI

1.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • IGI 803677781

Shape and cutting style on the report: Oval brilliant

Certificate IGI 803677781

Diamond specifications and retailer prices

From £2,277 GBP
As of November 5, 2026
Save £1,802 GBP (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,079 GBP at Wholesale Diamonds Direct · As of November 6, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 803677781. Listed at 7 retailers as of November 5, 2026, with prices from £2,277 to £4,079, a £1,802 spread on the same certified stone. Wholesale Diamonds Direct lists it at £4,079. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.8°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 803677781
Dimensions9.58 × 6.39 × 3.90 mm
L/W Ratio1.50
Girdle conditionFaceted
Top View
9.58 mm6.39 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 803677781
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £2,350 GBP|Low: £2,028 GBP|High: £4,741 GBP|Avg: £3,093 GBP|-14.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 6, 2026
Retailer 6£2,028 GBP
Retailer 3£2,277 GBP
Retailer 1£2,350 GBP
Retailer 4£2,365 GBP
Retailer 5£2,851 GBP
Retailer 2£2,904 GBP
Retailer 8£3,304 GBP
Wholesale Diamonds Direct£4,079 GBP
Retailer 7£4,111 GBP

33 data points across 9 retailers

7 retailers£2,277 GBP to £4,079 GBP

A
Cheapest Retailer
-
£2,277 GBP
A
Retailer 2
-
£2,350 GBP
View
A
Retailer 3
-
£2,365 GBP
View
A
Retailer 4
-
£2,851 GBP
View
A
Retailer 5
-
£2,904 GBP
View
A
Retailer 6
-
£3,304 GBP
View
Most Expensive
A
Wholesale Diamonds Direct
619140306 · Nov 6
£4,079 GBP
$5,459 USD
View
6 more retailers have this diamond
Prices start from £2,277 GBPSave up to £1,802 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
£2,277 GBP