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Radiant|Lab Grown|IGI

1.02ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG653442496

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

Certificate IGI LG653442496

Diamond specifications and retailer prices

From £148 GBP
$197 USD
As of October 27, 2026
Save £1,292 GBP (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,440 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.02ct lab-grown radiant diamond

This 1.02ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG653442496 or 653442496. Listed at 22 retailers as of October 27, 2026, with prices from £148 to £1,440, a £1,292 spread on the same certified stone. Queensmith lists it at £1,440. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653442496
Dimensions6.65 × 6.65 × 5.05 mm
L/W Ratio1.00
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
6.65 mm6.65 mm1.02 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653442496
Side View
Table 62.0%Crown 42.8°Girdle: Slightly ThickPavilion 31.8°Culet: NoneDepth 65.9%

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 27
Current: £335 GBP|Low: £99 GBP|High: £1,247 GBP|Avg: £485 GBP|+2.0%
Retailer 1
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Retailer 19
October 29, 2026
Retailer 11£99 GBP
Retailer 19£148 GBP
Retailer 9£165 GBP
Retailer 3£184 GBP
Retailer 8£248 GBP
Retailer 16£300 GBP
Retailer 14£315 GBP
Retailer 1£335 GBP
Retailer 6£418 GBP
Retailer 5£428 GBP
Retailer 15£449 GBP
Retailer 18£472 GBP
Retailer 4£590 GBP
Retailer 10£631 GBP
Retailer 13£655 GBP
Retailer 17£860 GBP
Retailer 12£863 GBP
Retailer 7£890 GBP
Retailer 2£1,209 GBP

37 data points across 19 retailers

22 retailers£148 GBP to £1,440 GBP

A
Cheapest Retailer
-
£148 GBP
$197 USD
A
Retailer 2
-
£165 GBP
$220 USD
View
Final sale: no returns
A
Retailer 3
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£172 GBP
$229 USD
View
A
Retailer 4
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£184 GBP
$245 USD
View
A
Retailer 5
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£184 GBP
$245 USD
View
A
Retailer 6
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£248 GBP
$330 USD
View
A
Retailer 7
-
£300 GBP
€381 EUR
View
A
Retailer 8
-
£315 GBP
ZAR 6,785 ZAR
View
A
Retailer 9
-
£335 GBP
View
A
Retailer 10
-
£418 GBP
$557 USD
View
A
Retailer 11
-
£428 GBP
$570 USD
View
A
Retailer 12
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£449 GBP
A$920 AUD
View
B+
Retailer 13
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£472 GBP
$628 USD
View
B+
Retailer 14
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£590 GBP
$786 USD
View
B+
Retailer 15
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£631 GBP
$840 USD
View
B+
Retailer 16
-
£655 GBP
A$1,342 AUD
View
B
Retailer 17
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£817 GBP
View
B
Retailer 18
-
£860 GBP
$1,145 USD
View
Price last confirmed 10 days ago
B+
Retailer 19
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£863 GBP
View
B
Retailer 20
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£890 GBP
$1,185 USD
View
B
Retailer 21
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£1,209 GBP
$1,610 USD
View
Most Expensive
B
Queensmith
LG653442496 · Oct 27
£1,440 GBP
View
21 more retailers have this diamond
Prices start from £148 GBPSave up to £1,292 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
1.02ct Radiant
£148 GBP