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Round|Lab Grown|IGI

1.09ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG770644740

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770644740

Diamond specifications and retailer prices

From £112 GBP
$150 USD
As of October 29, 2026
Save £616 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £728 GBP at Flawless Fine Jewelry · As of October 29, 2026
View at Flawless Fine Jewelry

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770644740 or 770644740. Listed at 17 retailers as of October 29, 2026, with prices from £112 to £728, a £616 spread on the same certified stone. Flawless Fine Jewelry lists it at £728. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770644740
Dimensions6.57 × 6.60 × 4.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.57 mm6.60 mm1.09 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770644740
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.6%

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 29
Current: £728 GBP|Low: £112 GBP|High: £739 GBP|Avg: £333 GBP|-1.5%
Flawless Fine Jewelry
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
October 29, 2026
Retailer 7£112 GBP
Retailer 5£139 GBP
Retailer 2£240 GBP
Retailer 12£246 GBP
Retailer 13£255 GBP
Retailer 10£268 GBP
Retailer 8£287 GBP
Retailer 6£366 GBP
Retailer 11£388 GBP
Retailer 4£446 GBP
Retailer 3£481 GBP
Retailer 14£487 GBP
Retailer 9£652 GBP
Flawless Fine Jewelry£728 GBP

44 data points across 14 retailers

17 retailers£112 GBP to £728 GBP

A
Cheapest Retailer
-
£112 GBP
$150 USD
A
Retailer 2
-
£133 GBP
$178 USD
View
A
Retailer 3
-
£139 GBP
$186 USD
View
A
Retailer 4
-
£142 GBP
$190 USD
View
A
Retailer 5
-
£240 GBP
View
A
Retailer 6
-
£246 GBP
$330 USD
View
A
Retailer 7
-
£255 GBP
$342 USD
View
B+
Retailer 8
-
£268 GBP
€342 EUR
View
B+
Retailer 9
-
£287 GBP
View
B
Retailer 10
-
£366 GBP
$490 USD
View
B+
Retailer 11
-
£388 GBP
$520 USD
View
Retailer 12
-
£435 GBP
$583 USD
View
Price last confirmed 44 days ago
B
Retailer 13
-
£446 GBP
$597 USD
View
B
Retailer 14
-
£481 GBP
$645 USD
View
B
Retailer 15
-
£487 GBP
$653 USD
View
B
Retailer 16
-
£652 GBP
View
Most Expensive
B
Flawless Fine Jewelry
0422378A6 · Oct 29
£728 GBP
View
16 more retailers have this diamond
Prices start from £112 GBPSave up to £616 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 Round
£112 GBP