Oval|Lab Grown|IGI

1.50ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG570335884

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG570335884

Diamond specifications and retailer prices

From £960 GBP
$1,286 USD
As of October 30, 2026
7 retailers carry this diamond
Most expensive: £960 GBP at B2C Jewels
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 LG570335884 or 570335884. Listed at 7 retailers as of October 30, 2026. 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 angle35°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570335884
Dimensions9.28 × 6.52 × 4.08 mm
L/W Ratio1.42
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
9.28 mm6.52 mm1.50 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570335884
Side View
Table 59.5%Crown 35°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £960 GBP|Low: £198 GBP|High: £960 GBP|Avg: £462 GBP|+119.8%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 30, 2026
Retailer 6£198 GBP
Retailer 7£321 GBP
Retailer 5£357 GBP
Retailer 3£367 GBP
Retailer 2£580 GBP
Retailer 8£687 GBP
Retailer 4£802 GBP
B2C Jewels£960 GBP

13 data points across 8 retailers

7 retailers

Retailer 1
-
£163 GBP
$218 USD
Price last confirmed 37 days ago
Retailer 2
-
£185 GBP
$248 USD
View
Price last confirmed 36 days ago
Retailer 3
-
£196 GBP
$262 USD
View
Price last confirmed 33 days ago
Retailer 4
-
£580 GBP
$777 USD
View
Price last confirmed 32 days ago
Retailer 5
-
£636 GBP
$852 USD
View
Price last confirmed 33 days ago
Retailer 6
-
£713 GBP
$955 USD
View
Price last confirmed 33 days ago
Most Expensive
B
B2C Jewels
21587001 · Oct 30
£960 GBP
$1,286 USD
View
6 more retailers have this diamond

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
1.50ct Oval
£960 GBP