CaratHunter
Plans
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 $1,867 AUD
As of October 31, 2026
Save $1,650 AUD (47%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,518 AUD 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 $1,867 to $3,518, a $1,650 spread on the same certified stone. The Diamond Guys lists it at $3,518. 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

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 31
Current: $1,867 AUD|Low: $500 AUD|High: $6,947 AUD|Avg: $2,284 AUD
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$500 AUD
Retailer 12$960 AUD
Retailer 14$1,013 AUD
Retailer 15$1,046 AUD
Retailer 11$1,049 AUD
Retailer 3$1,214 AUD
Retailer 4$1,453 AUD
Retailer 13$1,506 AUD
Retailer 1$1,867 AUD
Retailer 5$1,923 AUD
Retailer 9$1,935 AUD
Retailer 6$2,957 AUD
The Diamond Guys$3,518 AUD
Retailer 8$3,643 AUD
Retailer 10$5,666 AUD
Retailer 7$6,947 AUD

9 data points across 16 retailers

2 retailers$1,867 AUD to $3,518 AUD

A
Cheapest Retailer
-
$1,867 AUD
Most Expensive
B
The Diamond Guys
1957404826 · Nov 1
$3,518 AUD
$2,471 USD
View
1 more retailer has this diamond
Prices start from $1,867 AUDSave up to $1,650 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
3.12ct Heart
$1,867 AUD