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Oval|Lab Grown|IGI

1.50ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG839682978

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839682978

Diamond specifications and retailer prices

From £228 GBP
$303 USD
As of October 29, 2026
Save £916 GBP (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,144 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839682978 or 839682978. Listed at 12 retailers as of October 29, 2026, with prices from £228 to £1,144, a £916 spread on the same certified stone. Reve Diamonds lists it at £1,144. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839682978
Dimensions9.50 × 6.35 × 4.00 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.50 mm6.35 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839682978
Side View
Table 61.0%Crown 33.1°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.0%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £363 GBP|Low: £255 GBP|High: £1,144 GBP|Avg: £601 GBP|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 30, 2026
Retailer 8£255 GBP
Retailer 7£282 GBP
Retailer 1£363 GBP
Retailer 9£365 GBP
Retailer 6£398 GBP
Retailer 2£462 GBP
Retailer 3£502 GBP
Retailer 5£868 GBP
Retailer 10£943 GBP
Retailer 4£1,138 GBP
Reve Diamonds£1,144 GBP

10 data points across 11 retailers

12 retailers£228 GBP to £1,144 GBP

A
Cheapest Retailer
-
£228 GBP
$303 USD
A
Retailer 2
-
£255 GBP
$339 USD
View
Final sale: no returns
A
Retailer 3
-
£282 GBP
$376 USD
View
A
Retailer 4
-
£363 GBP
View
A
Retailer 5
-
£365 GBP
$486 USD
View
B+
Retailer 6
-
£398 GBP
$530 USD
View
B+
Retailer 7
-
£462 GBP
$615 USD
View
B+
Retailer 8
-
£502 GBP
View
B
Retailer 9
-
£868 GBP
$1,156 USD
View
B
Retailer 10
-
£943 GBP
$1,256 USD
View
B
Retailer 11
-
£1,138 GBP
View
Most Expensive
B
Reve Diamonds
7EEE8A180 · Oct 30
£1,144 GBP
$1,523 USD
View
11 more retailers have this diamond
Prices start from £228 GBPSave up to £916 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
£228 GBP