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Radiant|Lab Grown|IGI

1.09ct H VVS1 Radiant Lab Grown Diamond

GD • H/VVS1 • IGI LG591377039

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

Certificate IGI LG591377039

Diamond specifications and retailer prices

From £146 GBP
$195 USD
As of October 30, 2026
Save £1,317 GBP (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,463 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a standard cut grade and certified by IGI LG591377039 or 591377039. Listed at 15 retailers as of October 30, 2026, with prices from £146 to £1,463, a £1,317 spread on the same certified stone. Do Amore Diamonds lists it at £1,463. 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

1.09
Carat
H
Colour
VVS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.3°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591377039
Dimensions7.35 × 5.01 × 3.28 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.35 mm5.01 mm1.09 ctH / VVS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591377039
Side View
Table 64.0%Crown 50.3°Girdle: MED-STKPavilion 33.9°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
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: £1,463 GBP|Low: £112 GBP|High: £1,463 GBP|Avg: £493 GBP|+17.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
October 29, 2026
Retailer 5£146 GBP
Retailer 18£152 GBP
Retailer 14£177 GBP
Retailer 16£189 GBP
Retailer 3£240 GBP
Retailer 15£254 GBP
Retailer 9£289 GBP
Retailer 11£358 GBP
Retailer 8£462 GBP
Retailer 10£500 GBP
Retailer 12£509 GBP
Retailer 13£610 GBP
Retailer 6£627 GBP
Retailer 4£671 GBP
Retailer 17£799 GBP
Retailer 2£841 GBP
Retailer 7£865 GBP
Do Amore Diamonds£1,463 GBP

30 data points across 18 retailers

15 retailers£146 GBP to £1,463 GBP

A
Cheapest Retailer
-
£146 GBP
$195 USD
Final sale: no returns
Retailer 2
-
£152 GBP
$204 USD
View
Price last confirmed 10 days ago
Retailer 3
-
£177 GBP
$237 USD
View
Price last confirmed 11 days ago
Retailer 4
-
£189 GBP
$253 USD
View
Price last confirmed 15 days ago
Retailer 5
-
£189 GBP
$253 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
£240 GBP
$321 USD
View
B+
Retailer 7
-
£254 GBP
$341 USD
View
B+
Retailer 8
-
£358 GBP
ZAR 7,760 ZAR
View
B
Retailer 9
-
£509 GBP
A$1,049 AUD
View
B
Retailer 10
-
£610 GBP
$817 USD
View
Retailer 11
-
£671 GBP
$899 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
£799 GBP
$1,071 USD
View
B
Retailer 13
-
£841 GBP
View
C
Retailer 14
-
£1,172 GBP
$1,570 USD
View
Most Expensive
C
Do Amore Diamonds
27-ECB6132C6 · Oct 30
£1,463 GBP
$1,960 USD
View
14 more retailers have this diamond
Prices start from £146 GBPSave up to £1,317 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
1.09ct Radiant
£146 GBP