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Radiant|Lab Grown|IGI

1.05ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG762530427

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

Certificate IGI LG762530427

Diamond specifications and retailer prices

From £128 GBP
$171 USD
As of October 30, 2026
Save £708 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £836 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG762530427 or 762530427. Listed at 20 retailers as of October 30, 2026, with prices from £128 to £836, a £708 spread on the same certified stone. Brilliant Earth lists it at £836. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762530427
Dimensions7.08 × 5.05 × 3.42 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.08 mm5.05 mm1.05 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762530427
Side View
Table 67.0%Crown 45.5°Girdle: MediumPavilion 35.6°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: £836 GBP|Low: £128 GBP|High: £836 GBP|Avg: £369 GBP
Brilliant Earth
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 19
October 31, 2026
Retailer 15£128 GBP
Retailer 6£142 GBP
Retailer 4£148 GBP
Retailer 17£158 GBP
Retailer 19£158 GBP
Retailer 13£212 GBP
Retailer 10£269 GBP
Retailer 14£271 GBP
Retailer 2£278 GBP
Retailer 12£279 GBP
Retailer 8£283 GBP
Retailer 16£385 GBP
Retailer 9£395 GBP
Retailer 18£508 GBP
Retailer 5£537 GBP
Retailer 11£549 GBP
Retailer 3£739 GBP
Retailer 7£821 GBP
Brilliant Earth£836 GBP

38 data points across 19 retailers

20 retailers£128 GBP to £836 GBP

A
Cheapest Retailer
-
£128 GBP
$171 USD
A
Retailer 2
-
£142 GBP
$190 USD
View
Final sale: no returns
A
Retailer 3
-
£148 GBP
$198 USD
View
A
Retailer 4
-
£158 GBP
$212 USD
View
A
Retailer 5
-
£158 GBP
$212 USD
View
A
Retailer 6
-
£212 GBP
View
A
Retailer 7
-
£269 GBP
$361 USD
View
A
Retailer 8
-
£271 GBP
ZAR 5,872 ZAR
View
A
Retailer 9
-
£278 GBP
€355 EUR
View
A
Retailer 10
-
£279 GBP
View
A
Retailer 11
-
£283 GBP
$379 USD
View
B+
Retailer 12
-
£385 GBP
A$793 AUD
View
B+
Retailer 13
-
£395 GBP
$529 USD
View
Retailer 14
-
£423 GBP
$567 USD
View
Price last confirmed 61 days ago
B+
Retailer 15
-
£508 GBP
$680 USD
View
B
Retailer 16
-
£537 GBP
$719 USD
View
B
Retailer 17
-
£549 GBP
$735 USD
View
B
Retailer 18
-
£739 GBP
View
B
Retailer 19
-
£821 GBP
$1,100 USD
View
Most Expensive
B
Brilliant Earth
17281044A · Oct 30
£836 GBP
$1,120 USD
View
19 more retailers have this diamond
Prices start from £128 GBPSave up to £708 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
1.05ct Radiant
£128 GBP