Heart|Lab Grown|IGI

3.91ct E VVS2 Heart Lab Grown Diamond

EX • E/VVS2 • IGI LG712529487

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG712529487

Diamond specifications and retailer prices

From $814 AUD
$572 USD
As of October 30, 2026
Save $6,418 AUD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,642 AUD at Queensmith · As of October 16, 2026
View at Queensmith

About this 3.91ct lab-grown heart diamond

This 3.91ct 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 LG712529487 or 712529487. Listed at 13 retailers as of October 30, 2026, with a 788% 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

3.91
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712529487
Dimensions9.19 × 10.82 × 6.71 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Top View
9.19 mm10.82 mm3.91 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712529487
Side View
Table 58.0%Crown 36.2°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 62.0%

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: $8,642 AUD|Low: $614 AUD|High: $8,642 AUD|Avg: $3,394 AUD
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 31, 2026
Retailer 5$814 AUD
Retailer 13$911 AUD
Retailer 9$1,011 AUD
Retailer 8$1,350 AUD
Retailer 2$1,681 AUD
Retailer 11$2,266 AUD
Retailer 6$2,356 AUD
Retailer 10$2,933 AUD
Retailer 3$3,281 AUD
Retailer 12$3,798 AUD
Retailer 7$4,417 AUD
Retailer 4$7,232 AUD
Queensmith$8,642 AUD

24 data points across 13 retailers

13 retailers$814 AUD to $7,232 AUD

A
Cheapest Retailer
-
$814 AUD
$572 USD
A
Retailer 2
-
$911 AUD
$640 USD
View
Final sale: no returns
A
Retailer 3
-
$1,011 AUD
$710 USD
View
B+
Retailer 4
-
$1,350 AUD
$948 USD
View
A
Retailer 5
-
$1,681 AUD
£930 GBP
View
A
Retailer 6
-
$2,266 AUD
$1,592 USD
View
A
Retailer 7
-
$2,356 AUD
View
B+
Retailer 8
-
$2,933 AUD
$2,060 USD
View
B+
Retailer 9
-
$3,281 AUD
$2,305 USD
View
B+
Retailer 10
-
$3,798 AUD
$2,668 USD
View
B+
Retailer 11
-
$4,417 AUD
£2,443 GBP
View
B
Retailer 12
-
$7,232 AUD
$5,080 USD
View
Most Expensive
Queensmith
LG712529487 · Oct 16
$8,642 AUD
£4,780 GBP
View
Price last confirmed 15 days ago
12 more retailers have this diamond
Prices start from $814 AUDSave up to $6,418 AUD

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
3.91ct Heart
$814 AUD