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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 $1,376 NZD
$773 USD
As of October 29, 2026
Save $9,556 NZD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,285 NZD at Do Amore Diamonds · As of October 29, 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 29, 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
Dimensions10.29 × 10.29 × 8.70 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.29 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 29
Current: $12,285 NZD|Low: $999 NZD|High: $12,285 NZD|Avg: $3,698 NZD
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
October 30, 2026
Retailer 4$999 NZD
Retailer 12$1,376 NZD
Retailer 11$1,757 NZD
Retailer 8$1,763 NZD
Retailer 3$1,976 NZD
Retailer 2$2,408 NZD
Retailer 6$3,250 NZD
Retailer 7$3,515 NZD
Retailer 9$4,341 NZD
Retailer 10$4,868 NZD
Retailer 5$5,936 NZD
Do Amore Diamonds$12,285 NZD

41 data points across 12 retailers

19 retailers$1,376 NZD to $10,932 NZD

Retailer 1
-
$1,180 NZD
$663 USD
Price last confirmed 27 days ago
Retailer 2
-
$1,339 NZD
$752 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$1,376 NZD
$773 USD
View
Final sale: no returns
Retailer 4
-
$1,426 NZD
$801 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$1,757 NZD
$987 USD
View
A
Retailer 6
-
$1,763 NZD
$990 USD
View
A
Retailer 7
-
$1,816 NZD
$1,020 USD
View
A
Retailer 8
-
$1,976 NZD
$1,110 USD
View
A
Retailer 9
-
$2,408 NZD
£1,065 GBP
View
B+
Retailer 10
-
$3,250 NZD
A$2,808 AUD
View
B+
Retailer 11
-
$3,515 NZD
$1,974 USD
View
Retailer 12
-
$4,341 NZD
A$3,751 AUD
View
Price last confirmed 22 days ago
Retailer 13
-
$4,428 NZD
$2,487 USD
View
Price last confirmed 29 days ago
B
Retailer 14
-
$4,868 NZD
$2,734 USD
View
B
Retailer 15
-
$4,875 NZD
$2,738 USD
View
B
Retailer 16
-
$5,633 NZD
$3,163 USD
View
B
Retailer 17
-
$5,936 NZD
£2,625 GBP
View
B
Retailer 18
-
$10,932 NZD
$6,140 USD
View
Most Expensive
Do Amore Diamonds
23-705519311 · Oct 29
$12,285 NZD
$6,900 USD
View
Price under review
18 more retailers have this diamond
Prices start from $1,376 NZDSave up to $9,556 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
$1,376 NZD