CaratHunter
Plans
Heart|Lab Grown|IGI

3.51ct E VVS2 Heart Lab Grown Diamond

ID • E/VVS2 • IGI LG846667187

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846667187

Diamond specifications and retailer prices

From £457 GBP
$609 USD
As of October 29, 2026
Save £3,740 GBP (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,198 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.51ct lab-grown heart diamond

This 3.51ct lab-grown heart 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 LG846667187 or 846667187. Listed at 14 retailers as of October 28, 2026, with prices from £457 to £4,198, a £3,740 spread on the same certified stone. Brilliant Earth lists it at £4,198. 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

3.51
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846667187
Dimensions8.72 × 10.33 × 6.33 mm
L/W Ratio1.18
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.72 mm10.33 mm3.51 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846667187
Side View
Table 59.0%Crown 35.9°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £4,198 GBP|Low: £457 GBP|High: £4,198 GBP|Avg: £1,327 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
Retailer 13
Retailer 14
October 30, 2026
Retailer 4£457 GBP
Retailer 7£566 GBP
Retailer 12£608 GBP
Retailer 5£697 GBP
Retailer 8£790 GBP
Retailer 2£1,071 GBP
Retailer 10£1,101 GBP
Retailer 14£1,255 GBP
Retailer 11£1,309 GBP
Retailer 6£1,602 GBP
Retailer 3£1,646 GBP
Retailer 13£1,722 GBP
Retailer 9£2,128 GBP
Brilliant Earth£4,198 GBP

8 data points across 14 retailers

14 retailers£457 GBP to £4,198 GBP

A
Cheapest Retailer
-
£457 GBP
$609 USD
Final sale: no returns
A
Retailer 2
-
£566 GBP
View
A
Retailer 3
-
£608 GBP
$810 USD
View
B+
Retailer 4
-
£697 GBP
$928 USD
View
A
Retailer 5
-
£790 GBP
View
A
Retailer 6
-
£1,071 GBP
A$2,194 AUD
View
A
Retailer 7
-
£1,101 GBP
ZAR 23,693 ZAR
View
B+
Retailer 8
-
£1,255 GBP
$1,671 USD
View
B+
Retailer 9
-
£1,309 GBP
$1,743 USD
View
B+
Retailer 10
-
£1,602 GBP
$2,133 USD
View
B+
Retailer 11
-
£1,646 GBP
$2,192 USD
View
B+
Retailer 12
-
£1,722 GBP
$2,293 USD
View
B
Retailer 13
-
£2,128 GBP
View
Most Expensive
B
Brilliant Earth
22238804A · Oct 28
£4,198 GBP
$5,590 USD
View
13 more retailers have this diamond
Prices start from £457 GBPSave up to £3,740 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
3.51ct Heart
£457 GBP