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Oval|Lab Grown|IGI

1.50ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG557240795

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG557240795

Diamond specifications and retailer prices

From £340 GBP
$455 USD
As of October 30, 2026
Save £620 GBP (65%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £960 GBP at B2C Jewels · As of October 25, 2026
View at B2C Jewels

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG557240795 or 557240795. Listed at 13 retailers as of October 25, 2026, with prices from £340 to £960, a £620 spread on the same certified stone. B2C Jewels lists it at £960. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557240795
Dimensions9.12 × 6.58 × 4.05 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.12 mm6.58 mm1.50 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557240795
Side View
Table 61.0%Crown 34.2°Girdle: Med.Pavilion 41°Culet: NoneDepth 61.6%

Caratlytics Score

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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 30
Current: £960 GBP|Low: £153 GBP|High: £960 GBP|Avg: £446 GBP|+119.8%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7£160 GBP
Retailer 3£185 GBP
Retailer 8£198 GBP
Retailer 9£340 GBP
Retailer 2£366 GBP
Retailer 10£367 GBP
Retailer 11£636 GBP
Retailer 6£638 GBP
Retailer 5£702 GBP
Retailer 4£793 GBP
B2C Jewels£960 GBP

42 data points across 11 retailers

13 retailers£340 GBP to £960 GBP

Retailer 1
-
£160 GBP
$214 USD
Price last confirmed 10 days ago
Retailer 2
-
£185 GBP
$248 USD
View
Price last confirmed 11 days ago
Retailer 3
-
£198 GBP
$265 USD
View
Price last confirmed 15 days ago
Retailer 4
-
£198 GBP
$265 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
£340 GBP
$455 USD
View
A
Retailer 6
-
£366 GBP
View
B+
Retailer 7
-
£367 GBP
$492 USD
View
B+
Retailer 8
-
£443 GBP
$594 USD
View
Retailer 9
-
£636 GBP
$852 USD
View
Price last confirmed 10 days ago
B
Retailer 10
-
£638 GBP
$855 USD
View
Retailer 11
-
£702 GBP
$940 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
£793 GBP
View
Most Expensive
B
B2C Jewels
21586892 · Oct 25
£960 GBP
$1,286 USD
View
12 more retailers have this diamond
Prices start from £340 GBPSave up to £620 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
£340 GBP