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Radiant|Lab Grown|IGI

0.91ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG589397069

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG589397069

Diamond specifications and retailer prices

From £485 GBP
$646 USD
As of October 28, 2026
Save £632 GBP (57%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,117 GBP at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 0.91ct lab-grown radiant diamond

This 0.91ct lab-grown radiant sits in the just-under-one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG589397069 or 589397069. Listed at 3 retailers as of October 28, 2026, with prices from £485 to £1,117, a £632 spread on the same certified stone. Diamond Exchange Canada lists it at £1,117. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.91
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589397069
Dimensions6.62 × 4.78 × 3.23 mm
L/W Ratio1.38
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
6.62 mm4.78 mm0.91 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589397069
Side View
Table 64.0%Crown 48°Girdle: STK-THKPavilion 31.6°Culet: NoneDepth 67.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: £1,117 GBP|Low: £342 GBP|High: £2,696 GBP|Avg: £926 GBP|+6.0%
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
August 26, 2026
Retailer 4£376 GBP
Retailer 5£453 GBP
Retailer 2£485 GBP
Diamond Exchange Canada£1,117 GBP
Retailer 3£2,238 GBP

29 data points across 5 retailers

3 retailers£485 GBP to £1,117 GBP

B+
Cheapest Retailer
-
£485 GBP
$646 USD
Most Expensive
B
Diamond Exchange Canada
1876385750 · Oct 30
£1,117 GBP
CA$2,066 CAD
View
1 more retailer has this diamond
Prices start from £485 GBPSave up to £632 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.

B+
0.91ct Radiant
£485 GBP