Radiant|Lab Grown|IGI

3.16ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG784639641

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

Certificate IGI LG784639641

Diamond specifications and retailer prices

From £544 GBP
$725 USD
As of October 29, 2026
Save £3,563 GBP (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,108 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.16ct lab-grown radiant diamond

This 3.16ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784639641 or 784639641. Listed at 15 retailers as of October 29, 2026, with prices from £544 to £4,108, a £3,563 spread on the same certified stone. Brilliant Earth lists it at £4,108. 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

3.16
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784639641
Dimensions10.12 × 7.35 × 4.97 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.12 mm7.35 mm3.16 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784639641
Side View
Table 64.0%Crown 43.6°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.6%

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: £4,108 GBP|Low: £544 GBP|High: £4,153 GBP|Avg: £1,606 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 10£544 GBP
Retailer 4£650 GBP
Retailer 6£682 GBP
Retailer 8£771 GBP
Retailer 12£803 GBP
Retailer 9£1,274 GBP
Retailer 11£1,297 GBP
Retailer 3£1,648 GBP
Retailer 2£2,479 GBP
Retailer 5£2,762 GBP
Retailer 7£3,687 GBP
Brilliant Earth£4,108 GBP

27 data points across 12 retailers

15 retailers£544 GBP to £4,108 GBP

Retailer 1
-
£406 GBP
$540 USD
Price last confirmed 21 days ago
Retailer 2
-
£457 GBP
$609 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
£544 GBP
$725 USD
View
A
Retailer 4
-
£650 GBP
$866 USD
View
B+
Retailer 5
-
£682 GBP
$908 USD
View
A
Retailer 6
-
£771 GBP
$1,027 USD
View
A
Retailer 7
-
£803 GBP
€1,019 EUR
View
B+
Retailer 8
-
£1,274 GBP
$1,696 USD
View
B+
Retailer 9
-
£1,297 GBP
$1,727 USD
View
Retailer 10
-
£1,458 GBP
$1,942 USD
View
Price last confirmed 25 days ago
Retailer 11
-
£1,648 GBP
A$3,377 AUD
View
Price last confirmed 21 days ago
B
Retailer 12
-
£2,479 GBP
View
B
Retailer 13
-
£2,762 GBP
$3,678 USD
View
B
Retailer 14
-
£3,687 GBP
$4,910 USD
View
Most Expensive
B
Brilliant Earth
20402182A · Oct 29
£4,108 GBP
$5,470 USD
View
14 more retailers have this diamond
Prices start from £544 GBPSave up to £3,563 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
3.16ct Radiant
£544 GBP