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Heart|Lab Grown|IGI

3.94ct E VVS2 Heart Lab Grown Diamond

EX • E/VVS2 • IGI LG712529509

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG712529509

Diamond specifications and retailer prices

From £430 GBP
$576 USD
As of October 30, 2026
Save £3,391 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,531 GBP at Queensmith · As of October 16, 2026
View at Queensmith

About this 3.94ct lab-grown heart diamond

This 3.94ct 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 LG712529509 or 712529509. Listed at 13 retailers as of October 29, 2026, with a 789% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.94
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712529509
Dimensions9.73 × 10.73 × 6.46 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Top View
9.73 mm10.73 mm3.94 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712529509
Side View
Table 59.0%Crown 36.4°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 60.2%

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 30
Current: £4,531 GBP|Low: £324 GBP|High: £4,531 GBP|Avg: £1,801 GBP
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 5£430 GBP
Retailer 13£481 GBP
Retailer 9£534 GBP
Retailer 8£712 GBP
Retailer 6£886 GBP
Retailer 11£1,205 GBP
Retailer 2£1,244 GBP
Retailer 10£1,549 GBP
Retailer 3£1,717 GBP
Retailer 12£2,004 GBP
Retailer 7£2,333 GBP
Retailer 4£3,821 GBP
Queensmith£4,531 GBP

24 data points across 13 retailers

13 retailers£430 GBP to £3,821 GBP

A
Cheapest Retailer
-
£430 GBP
$576 USD
A
Retailer 2
-
£481 GBP
$645 USD
View
Final sale: no returns
A
Retailer 3
-
£534 GBP
$715 USD
View
B+
Retailer 4
-
£712 GBP
$954 USD
View
A
Retailer 5
-
£886 GBP
View
A
Retailer 6
-
£1,205 GBP
$1,615 USD
View
A
Retailer 7
-
£1,244 GBP
A$2,565 AUD
View
B+
Retailer 8
-
£1,549 GBP
$2,075 USD
View
B+
Retailer 9
-
£1,717 GBP
$2,301 USD
View
B+
Retailer 10
-
£2,004 GBP
$2,686 USD
View
B+
Retailer 11
-
£2,333 GBP
View
B
Retailer 12
-
£3,821 GBP
$5,120 USD
View
Most Expensive
Queensmith
LG712529509 · Oct 16
£4,531 GBP
View
Price last confirmed 14 days ago
12 more retailers have this diamond
Prices start from £430 GBPSave up to £3,391 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
3.94ct Heart
£430 GBP