Radiant|Lab Grown|IGI

3.09ct E VVS2 Radiant Lab Grown Diamond

EX • E/VVS2 • IGI LG831679318

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

Certificate IGI LG831679318

Diamond specifications and retailer prices

From £427 GBP
$568 USD
As of October 29, 2026
Save £1,804 GBP (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,230 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831679318 or 831679318. Listed at 23 retailers as of October 28, 2026, with prices from £427 to £2,230, a £1,804 spread on the same certified stone. Rare Carat lists it at £2,230. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831679318
Dimensions9.67 × 7.19 × 4.89 mm
L/W Ratio1.34
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.67 mm7.19 mm3.09 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831679318
Side View
Table 66.0%Crown 44.2°Girdle: MediumPavilion 35°Culet: NoneDepth 68.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £2,230 GBP|Low: £366 GBP|High: £320,255 GBP|Avg: £8,712 GBP|-1.5%
Rare Carat
Retailer 2
Retailer 3
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Retailer 21
October 30, 2026
Retailer 3£381 GBP
Retailer 14£427 GBP
Retailer 4£473 GBP
Retailer 7£519 GBP
Retailer 17£578 GBP
Retailer 20£640 GBP
Retailer 2£789 GBP
Retailer 18£798 GBP
Retailer 9£858 GBP
Retailer 13£1,000 GBP
Retailer 16£1,028 GBP
Retailer 19£1,120 GBP
Retailer 6£1,245 GBP
Retailer 21£1,385 GBP
Retailer 8£1,511 GBP
Retailer 11£1,536 GBP
Retailer 12£1,541 GBP
Retailer 10£1,635 GBP
Retailer 5£1,756 GBP
Retailer 15£1,987 GBP
Rare Carat£2,230 GBP

44 data points across 21 retailers

23 retailers£427 GBP to £2,230 GBP

Retailer 1
-
£381 GBP
$508 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£427 GBP
$568 USD
View
Final sale: no returns
Retailer 3
-
£427 GBP
$569 USD
View
Price last confirmed 9 days ago
Retailer 4
-
£473 GBP
$630 USD
View
Price last confirmed 8 days ago
Retailer 5
-
£473 GBP
$630 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£519 GBP
HK$5,400 HKD
View
A
Retailer 7
-
£578 GBP
$770 USD
View
B+
Retailer 8
-
£640 GBP
$852 USD
View
A
Retailer 9
-
£789 GBP
View
A
Retailer 10
-
£798 GBP
€1,012 EUR
View
A
Retailer 11
-
£858 GBP
$1,143 USD
View
A
Retailer 12
-
£1,000 GBP
A$2,048 AUD
View
A
Retailer 13
-
£1,028 GBP
ZAR 22,110 ZAR
View
A
Retailer 14
-
£1,120 GBP
$1,491 USD
View
Retailer 15
-
£1,245 GBP
$1,658 USD
View
Price last confirmed 8 days ago
Retailer 16
-
£1,385 GBP
View
Price last confirmed 8 days ago
B+
Retailer 17
-
£1,511 GBP
SGD 2,719 SGD
View
B+
Retailer 18
-
£1,541 GBP
$2,052 USD
View
B+
Retailer 19
-
£1,568 GBP
$2,088 USD
View
B+
Retailer 20
-
£1,635 GBP
$2,178 USD
View
B+
Retailer 21
-
£1,756 GBP
$2,338 USD
View
B+
Retailer 22
-
£1,987 GBP
View
Most Expensive
B+
Rare Carat
RP3186793RL831 · Oct 28
£2,230 GBP
$2,970 USD
View
22 more retailers have this diamond
Prices start from £427 GBPSave up to £1,804 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 Radiant
£427 GBP