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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 $1,312 USD
A$2,018 AUD
As of October 31, 2026
Save $1,159 USD (47%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,471 USD 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 $1,312 to $2,471, a $1,159 spread on the same certified stone. The Diamond Guys lists it at $2,471. 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
Color
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: $1,312 USD|Low: $351 USD|High: $4,880 USD|Avg: $1,605 USD
Retailer 1
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Retailer 7
Retailer 8
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Retailer 11
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Retailer 15
The Diamond Guys
October 21, 2026
Retailer 2$351 USD
Retailer 12$674 USD
Retailer 14$711 USD
Retailer 15$735 USD
Retailer 11$737 USD
Retailer 3$853 USD
Retailer 4$1,020 USD
Retailer 13$1,058 USD
Retailer 1$1,312 USD
Retailer 5$1,351 USD
Retailer 9$1,359 USD
Retailer 6$2,077 USD
The Diamond Guys$2,471 USD
Retailer 8$2,559 USD
Retailer 10$3,980 USD
Retailer 7$4,880 USD

9 data points across 16 retailers

2 retailers$1,312 USD to $2,471 USD

A
Cheapest Retailer
-
$1,312 USD
A$2,018 AUD
Most Expensive
B
The Diamond Guys
1957404826 · Nov 1
$2,471 USD
View
1 more retailer has this diamond
Prices start from $1,312 USDSave up to $1,159 USD

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
$1,312 USD