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Oval|Natural|IGI

1.50ct H SI2 Oval Natural Diamond

EX • H/SI2 • IGI 813642380

Shape and cutting style on the report: Oval brilliant

Certificate IGI 813642380

Diamond specifications and retailer prices

From £1,185 GBP
SGD 2,146 SGD
As of October 31, 2026
Save £1,261 GBP (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,446 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural oval diamond

This 1.5ct 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 813642380. Listed at 6 retailers as of October 26, 2026, with prices from £1,185 to £2,446, a £1,261 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,446. 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

1.50
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 813642380
Dimensions9.07 × 6.53 × 4.09 mm
L/W Ratio1.39
Girdle conditionFaceted
Top View
9.07 mm6.53 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 813642380
Side View
Table 60.0%Crown 35.2°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 62.6%

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: Oct 31
Current: £1,411 GBP|Low: £1,175 GBP|High: £2,830 GBP|Avg: £1,791 GBP|-16.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 28, 2026
Retailer 5£1,175 GBP
Retailer 3£1,185 GBP
Retailer 2£1,386 GBP
Retailer 1£1,411 GBP
Retailer 4£1,793 GBP
Retailer 7£1,857 GBP
Retailer 6£2,346 GBP
Wholesale Diamonds Direct£2,446 GBP

28 data points across 8 retailers

6 retailers£1,185 GBP to £2,446 GBP

A
Cheapest Retailer
-
£1,185 GBP
SGD 2,146 SGD
A
Retailer 2
-
£1,386 GBP
$1,857 USD
View
A
Retailer 3
-
£1,411 GBP
$1,890 USD
View
A
Retailer 4
-
£1,793 GBP
$2,403 USD
View
A
Retailer 5
-
£1,857 GBP
$2,488 USD
View
Most Expensive
A
Wholesale Diamonds Direct
419179505 · Oct 26
£2,446 GBP
$3,278 USD
View
5 more retailers have this diamond
Prices start from £1,185 GBPSave up to £1,261 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
1.50ct Oval
£1,185 GBP