Radiant|Lab Grown|IGI

1.02ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG658492572

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

Certificate IGI LG658492572

Diamond specifications and retailer prices

From £204 GBP
$274 USD
As of October 30, 2026
Save £1,594 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,799 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.02ct lab-grown radiant diamond

This 1.02ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG658492572 or 658492572. Listed at 22 retailers as of October 30, 2026, with prices from £204 to £1,799, a £1,594 spread on the same certified stone. Brilliant Earth lists it at £1,799. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.02
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658492572
Dimensions7.16 × 4.88 × 3.26 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.16 mm4.88 mm1.02 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658492572
Side View
Table 58.0%Crown 39.3°Girdle: THK-VTKPavilion 31.1°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,799 GBP|Low: £196 GBP|High: £1,799 GBP|Avg: £582 GBP
Brilliant Earth
Retailer 2
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October 31, 2026
Retailer 3£204 GBP
Retailer 10£229 GBP
Retailer 7£237 GBP
Retailer 4£254 GBP
Retailer 8£254 GBP
Retailer 18£351 GBP
Retailer 15£373 GBP
Retailer 2£411 GBP
Retailer 14£436 GBP
Retailer 11£447 GBP
Retailer 13£618 GBP
Retailer 17£670 GBP
Retailer 5£784 GBP
Retailer 6£816 GBP
Retailer 16£959 GBP
Retailer 9£990 GBP
Retailer 12£1,023 GBP
Brilliant Earth£1,799 GBP

43 data points across 18 retailers

22 retailers£204 GBP to £1,799 GBP

A
Cheapest Retailer
-
£204 GBP
$274 USD
A
Retailer 2
-
£229 GBP
$307 USD
View
Final sale: no returns
A
Retailer 3
-
£237 GBP
$318 USD
View
A
Retailer 4
-
£254 GBP
$340 USD
View
A
Retailer 5
-
£254 GBP
$340 USD
View
A
Retailer 6
-
£349 GBP
$467 USD
View
A
Retailer 7
-
£351 GBP
$470 USD
View
A
Retailer 8
-
£373 GBP
$500 USD
View
A
Retailer 9
-
£411 GBP
€525 EUR
View
B+
Retailer 10
-
£436 GBP
ZAR 9,444 ZAR
View
B+
Retailer 11
-
£447 GBP
View
B+
Retailer 12
-
£618 GBP
A$1,274 AUD
View
B
Retailer 13
-
£670 GBP
$898 USD
View
Retailer 14
-
£784 GBP
A$1,617 AUD
View
Price last confirmed 31 days ago
B
Retailer 15
-
£816 GBP
$1,094 USD
View
B
Retailer 16
-
£854 GBP
$1,144 USD
View
B
Retailer 17
-
£927 GBP
$1,242 USD
View
Retailer 18
-
£959 GBP
$1,285 USD
View
Price last confirmed 10 days ago
B
Retailer 19
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£990 GBP
View
B
Retailer 20
-
£1,023 GBP
View
B
Retailer 21
-
£1,068 GBP
$1,431 USD
View
Most Expensive
B
Brilliant Earth
14014147A · Oct 31
£1,799 GBP
$2,410 USD
View
21 more retailers have this diamond
Prices start from £204 GBPSave up to £1,594 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
£204 GBP