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Heart|Lab Grown|IGI

3.12ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG705519311

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG705519311

Diamond specifications and retailer prices

From $1,100 AUD
$773 USD
As of October 31, 2026
Save $7,640 AUD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,823 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG705519311 or 705519311. Listed at 19 retailers as of October 31, 2026, with a 694% 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

3.12
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG705519311
Dimensions8.70 × 10.29 × 5.88 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.70 mm10.29 mm3.12 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG705519311
Side View
Table 62.0%Crown 35.6°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 57.1%

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: $9,823 AUD|Low: $798 AUD|High: $9,823 AUD|Avg: $2,835 AUD
Do Amore Diamonds
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$798 AUD
Retailer 3$1,100 AUD
Retailer 12$1,140 AUD
Retailer 13$1,405 AUD
Retailer 10$1,409 AUD
Retailer 4$1,580 AUD
Retailer 2$1,930 AUD
Retailer 8$2,598 AUD
Retailer 9$2,810 AUD
Retailer 6$3,430 AUD
Retailer 11$3,892 AUD
Retailer 7$4,746 AUD
Do Amore Diamonds$9,823 AUD

42 data points across 13 retailers

19 retailers$1,100 AUD to $8,741 AUD

Retailer 1
-
$944 AUD
$663 USD
Price last confirmed 29 days ago
Retailer 2
-
$1,071 AUD
$752 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
$1,100 AUD
$773 USD
View
Final sale: no returns
Retailer 4
-
$1,140 AUD
$801 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$1,405 AUD
$987 USD
View
A
Retailer 6
-
$1,409 AUD
$990 USD
View
A
Retailer 7
-
$1,452 AUD
$1,020 USD
View
A
Retailer 8
-
$1,580 AUD
$1,110 USD
View
A
Retailer 9
-
$1,930 AUD
£1,067 GBP
View
B+
Retailer 10
-
$2,598 AUD
View
B+
Retailer 11
-
$2,810 AUD
$1,974 USD
View
B
Retailer 12
-
$3,430 AUD
View
Retailer 13
-
$3,540 AUD
$2,487 USD
View
Price last confirmed 30 days ago
B
Retailer 14
-
$3,892 AUD
$2,734 USD
View
B
Retailer 15
-
$3,898 AUD
$2,738 USD
View
B
Retailer 16
-
$4,504 AUD
$3,163 USD
View
B
Retailer 17
-
$4,746 AUD
£2,625 GBP
View
B
Retailer 18
-
$8,741 AUD
$6,140 USD
View
Most Expensive
Do Amore Diamonds
23-705519311 · Oct 31
$9,823 AUD
$6,900 USD
View
Price under review
18 more retailers have this diamond
Prices start from $1,100 AUDSave up to $7,640 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
$1,100 AUD