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Heart|Lab Grown|IGI

3.12ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG719529701

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG719529701

Diamond specifications and retailer prices

From $2,327 NZD
A$2,018 AUD
As of October 31, 2026
Save $2,057 NZD (47%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,384 NZD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.12ct lab-grown heart diamond

This 3.12ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG719529701 or 719529701. Listed at 2 retailers as of October 31, 2026, with prices from $2,327 to $4,384, a $2,057 spread on the same certified stone. The Diamond Guys lists it at $4,384. 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

3.12
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG719529701
Dimensions9.91 × 9.07 × 6.02 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.91 mm9.07 mm3.12 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG719529701
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $2,327 NZD|Low: $623 NZD|High: $8,659 NZD|Avg: $2,847 NZD
Retailer 1
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
Retailer 15
The Diamond Guys
October 21, 2026
Retailer 2$623 NZD
Retailer 12$1,196 NZD
Retailer 14$1,262 NZD
Retailer 15$1,304 NZD
Retailer 11$1,308 NZD
Retailer 3$1,513 NZD
Retailer 4$1,811 NZD
Retailer 13$1,877 NZD
Retailer 1$2,327 NZD
Retailer 5$2,397 NZD
Retailer 9$2,411 NZD
Retailer 6$3,686 NZD
The Diamond Guys$4,384 NZD
Retailer 8$4,541 NZD
Retailer 10$7,062 NZD
Retailer 7$8,659 NZD

9 data points across 16 retailers

2 retailers$2,327 NZD to $4,384 NZD

A
Cheapest Retailer
-
$2,327 NZD
A$2,018 AUD
Most Expensive
B
The Diamond Guys
1957404826 · Nov 1
$4,384 NZD
$2,471 USD
View
1 more retailer has this diamond
Prices start from $2,327 NZDSave up to $2,057 NZD

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
3.12ct Heart
$2,327 NZD