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Oval|Natural|IGI

1.59ct H SI2 Oval Natural Diamond

EX • H/SI2 • IGI 542299639

Shape and cutting style on the report: Oval brilliant

Certificate IGI 542299639

Diamond specifications and retailer prices

From £3,945 GBP
$5,286 USD
As of November 1, 2026
Save £3,412 GBP (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £8,352 GBP at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.59ct natural oval diamond

This 1.59ct natural oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 542299639. Listed at 9 retailers as of November 1, 2026, with a 86% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.59
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle37.1°
Pavilion angle28.1°
OriginNatural
Grading LabIGI
CertificateIGI 542299639
Dimensions9.49 × 6.43 × 3.42 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizeMedium Natural
Top View
9.49 mm6.43 mm1.59 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 542299639
Side View
Table 61.0%Crown 37.1°Girdle: STK-VTKPavilion 28.1°Culet: NoneDepth 53.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £5,456 GBP|Low: £3,592 GBP|High: £7,446 GBP|Avg: £5,032 GBP|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7£3,592 GBP
Retailer 4£3,945 GBP
Retailer 6£4,197 GBP
Retailer 3£4,461 GBP
Retailer 1£5,456 GBP
Retailer 5£5,954 GBP
Retailer 2£7,357 GBP

21 data points across 7 retailers

9 retailers£3,945 GBP to £7,357 GBP

B+
Cheapest Retailer
-
£3,945 GBP
$5,286 USD
B+
Retailer 2
-
£4,461 GBP
$5,978 USD
View
Retailer 3
-
£4,524 GBP
$6,062 USD
View
Price last confirmed 21 days ago
Retailer 4
-
£4,524 GBP
$6,062 USD
View
Price last confirmed 33 days ago
Retailer 5
-
£4,524 GBP
$6,062 USD
View
Price last confirmed 25 days ago
Retailer 6
-
£5,220 GBP
$6,994 USD
View
Price last confirmed 24 days ago
B
Retailer 7
-
£5,456 GBP
€6,962 EUR
View
B
Retailer 8
-
£7,357 GBP
View
Most Expensive
NZ Jewellers
8268f445-4ea7-4c8f-adf5-565d40700806 · Sep 30
£8,352 GBP
$11,191 USD
View
Price last confirmed 32 days ago
8 more retailers have this diamond
Prices start from £3,945 GBPSave up to £3,412 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+
1.59ct Oval
£3,945 GBP