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Round|Lab Grown|IGI

3.09ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG715559370

Shape and cutting style on the report: Round brilliant

Certificate IGI LG715559370

Diamond specifications and retailer prices

From £399 GBP
$532 USD
As of October 29, 2026
Save £2,814 GBP (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,214 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG715559370 or 715559370. Listed at 20 retailers as of October 27, 2026, with prices from £399 to £3,214, a £2,814 spread on the same certified stone. Queensmith lists it at £3,214. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715559370
Dimensions9.32 × 9.28 × 5.81 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
9.32 mm9.28 mm3.09 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715559370
Side View
Table 57.0%Crown 35.2°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: £766 GBP|Low: £399 GBP|High: £2,347 GBP|Avg: £1,052 GBP|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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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 4£399 GBP
Retailer 5£447 GBP
Retailer 15£495 GBP
Retailer 9£534 GBP
Retailer 13£571 GBP
Retailer 8£687 GBP
Retailer 18£763 GBP
Retailer 2£765 GBP
Retailer 1£766 GBP
Retailer 16£984 GBP
Retailer 12£1,075 GBP
Retailer 7£1,135 GBP
Retailer 14£1,278 GBP
Retailer 17£1,302 GBP
Retailer 10£1,556 GBP
Retailer 3£1,594 GBP
Retailer 6£1,609 GBP
Retailer 11£2,078 GBP

39 data points across 18 retailers

20 retailers£399 GBP to £3,214 GBP

A
Cheapest Retailer
-
£399 GBP
$532 USD
A
Retailer 2
-
£447 GBP
$595 USD
View
Final sale: no returns
Retailer 3
-
£483 GBP
$643 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
£495 GBP
$659 USD
View
Retailer 5
-
£534 GBP
$711 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
£571 GBP
$760 USD
View
Retailer 7
-
£687 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
£763 GBP
$1,016 USD
View
A
Retailer 9
-
£765 GBP
$1,019 USD
View
A
Retailer 10
-
£766 GBP
View
B+
Retailer 11
-
£984 GBP
$1,310 USD
View
B+
Retailer 12
-
£1,075 GBP
ZAR 23,134 ZAR
View
Retailer 13
-
£1,135 GBP
A$2,326 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£1,278 GBP
$1,702 USD
View
B+
Retailer 15
-
£1,302 GBP
$1,734 USD
View
Retailer 16
-
£1,556 GBP
View
Price last confirmed 18 days ago
B
Retailer 17
-
£1,594 GBP
$2,123 USD
View
B
Retailer 18
-
£1,609 GBP
$2,142 USD
View
B
Retailer 19
-
£2,078 GBP
View
Most Expensive
B
Queensmith
LG715559370 · Oct 27
£3,214 GBP
View
19 more retailers have this diamond
Prices start from £399 GBPSave up to £2,814 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
3.09ct Round
£399 GBP