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Heart|Lab Grown|IGI

3.51ct E VVS2 Heart Lab Grown Diamond

VG • E/VVS2 • IGI LG842609731

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842609731

Diamond specifications and retailer prices

From £432 GBP
$575 USD
As of October 27, 2026
Save £3,856 GBP (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,288 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 very-good cut grade and certified by IGI LG842609731 or 842609731. Listed at 18 retailers as of October 27, 2026, with prices from £432 to £4,288, a £3,856 spread on the same certified stone. Brilliant Earth lists it at £4,288. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.51
Carat
E
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842609731
Dimensions10.20 × 10.20 × 9.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.20 mm10.20 mm3.51 ctE / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842609731
Side View
Table 65.0%Crown 37.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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 27
Current: £4,288 GBP|Low: £432 GBP|High: £4,753 GBP|Avg: £1,426 GBP|-9.8%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 30, 2026
Retailer 16£432 GBP
Retailer 6£484 GBP
Retailer 17£535 GBP
Retailer 5£635 GBP
Retailer 18£717 GBP
Retailer 11£782 GBP
Retailer 2£836 GBP
Retailer 14£1,138 GBP
Retailer 13£1,163 GBP
Retailer 15£1,263 GBP
Retailer 3£1,328 GBP
Retailer 7£1,618 GBP
Retailer 8£1,734 GBP
Retailer 9£1,764 GBP
Retailer 4£1,795 GBP
Retailer 10£2,271 GBP
Retailer 12£2,337 GBP
Brilliant Earth£4,288 GBP

23 data points across 18 retailers

18 retailers£432 GBP to £4,288 GBP

A
Cheapest Retailer
-
£432 GBP
$575 USD
A
Retailer 2
-
£484 GBP
$644 USD
View
Final sale: no returns
Retailer 3
-
£535 GBP
$713 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
£635 GBP
$845 USD
View
B+
Retailer 5
-
£717 GBP
$955 USD
View
A
Retailer 6
-
£782 GBP
€992 EUR
View
A
Retailer 7
-
£836 GBP
View
Retailer 8
-
£1,138 GBP
A$2,331 AUD
View
Price last confirmed 9 days ago
A
Retailer 9
-
£1,163 GBP
ZAR 25,018 ZAR
View
B+
Retailer 10
-
£1,263 GBP
$1,682 USD
View
B+
Retailer 11
-
£1,328 GBP
$1,769 USD
View
B+
Retailer 12
-
£1,618 GBP
$2,154 USD
View
B+
Retailer 13
-
£1,734 GBP
$2,310 USD
View
B+
Retailer 14
-
£1,764 GBP
$2,349 USD
View
B+
Retailer 15
-
£1,795 GBP
$2,390 USD
View
Retailer 16
-
£2,271 GBP
A$4,653 AUD
View
Price last confirmed 21 days ago
B
Retailer 17
-
£2,337 GBP
View
Most Expensive
B
Brilliant Earth
21722831A · Oct 28
£4,288 GBP
$5,710 USD
View
17 more retailers have this diamond
Prices start from £432 GBPSave up to £3,856 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
£432 GBP