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Round|Lab Grown|IGI

1.50ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG250000070790

Certificate IGI LG250000070790

Diamond specifications and retailer prices

From £4,195 GBP
$5,646 USD
As of November 4, 2026
2 retailers carry this diamond
Only listing: £4,195 GBP at Wholesale Diamonds Direct
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Wholesale Diamonds Direct

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG250000070790 or 250000070790. Listed at 2 retailers as of November 4, 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG250000070790
Dimensions7.30 × 7.24 × 4.55 mm
L/W Ratio1.01
Girdle conditionMedium
Top View
7.30 mm7.24 mm1.50 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG250000070790
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 4
Current: £5,676 GBP|Low: £2,531 GBP|High: £5,815 GBP|Avg: £4,592 GBP|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Wholesale Diamonds Direct
September 22, 2026
Retailer 2£2,531 GBP
Retailer 5£3,392 GBP
Wholesale Diamonds Direct£4,195 GBP
Retailer 3£5,479 GBP
Retailer 4£5,523 GBP
Retailer 1£5,676 GBP

83 data points across 6 retailers

2 retailers

C
Wholesale Diamonds Direct
225590588 · Nov 4
£4,195 GBP
$5,646 USD
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C
1.50ct Round
£4,195 GBP