Radiant|Lab Grown|IGI

1.01ct G VVS1 Radiant Lab Grown Diamond

ID • G/VVS1 • IGI LG638428208

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

Certificate IGI LG638428208

Diamond specifications and retailer prices

From £127 GBP
$170 USD
As of October 30, 2026
Save £692 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £819 GBP at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG638428208 or 638428208. Listed at 17 retailers as of October 30, 2026, with prices from £127 to £819, a £692 spread on the same certified stone. Flawless Fine Jewelry lists it at £819. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.9°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638428208
Dimensions6.57 × 5.23 × 3.54 mm
L/W Ratio1.26
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.57 mm5.23 mm1.01 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638428208
Side View
Table 69.0%Crown 48.9°Girdle: Slightly ThickPavilion 37.9°Culet: NoneDepth 67.7%

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 30
Current: £819 GBP|Low: £122 GBP|High: £842 GBP|Avg: £382 GBP|-2.7%
Flawless Fine Jewelry
Retailer 2
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Retailer 12
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Retailer 17
November 1, 2026
Retailer 15£127 GBP
Retailer 8£142 GBP
Retailer 13£147 GBP
Retailer 3£157 GBP
Retailer 4£158 GBP
Retailer 2£271 GBP
Retailer 11£280 GBP
Retailer 16£281 GBP
Retailer 5£283 GBP
Retailer 9£303 GBP
Retailer 14£337 GBP
Retailer 7£496 GBP
Retailer 12£505 GBP
Retailer 6£539 GBP
Retailer 17£546 GBP
Retailer 10£735 GBP
Flawless Fine Jewelry£819 GBP

45 data points across 17 retailers

17 retailers£127 GBP to £819 GBP

A
Cheapest Retailer
-
£127 GBP
$170 USD
A
Retailer 2
-
£142 GBP
$190 USD
View
Final sale: no returns
A
Retailer 3
-
£147 GBP
$197 USD
View
A
Retailer 4
-
£157 GBP
$211 USD
View
Retailer 5
-
£158 GBP
$212 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£271 GBP
ZAR 5,873 ZAR
View
A
Retailer 7
-
£280 GBP
View
A
Retailer 8
-
£281 GBP
$377 USD
View
Retailer 9
-
£283 GBP
€361 EUR
View
Price last confirmed 9 days ago
A
Retailer 10
-
£303 GBP
$406 USD
View
B+
Retailer 11
-
£337 GBP
$452 USD
View
Retailer 12
-
£496 GBP
$665 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
£505 GBP
$677 USD
View
B
Retailer 14
-
£539 GBP
$722 USD
View
B
Retailer 15
-
£546 GBP
$732 USD
View
B
Retailer 16
-
£735 GBP
View
Most Expensive
B
Flawless Fine Jewelry
18CAB3F10 · Oct 31
£819 GBP
View
16 more retailers have this diamond
Prices start from £127 GBPSave up to £692 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
1.01ct Radiant
£127 GBP