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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 $773 USD
As of October 29, 2026
Save $5,367 USD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,900 USD 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,900 USD|Low: $561 USD|High: $6,900 USD|Avg: $2,077 USD
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 29, 2026
Retailer 4$561 USD
Retailer 12$773 USD
Retailer 11$987 USD
Retailer 8$990 USD
Retailer 3$1,110 USD
Retailer 2$1,351 USD
Retailer 6$1,825 USD
Retailer 7$1,974 USD
Retailer 9$2,438 USD
Retailer 10$2,734 USD
Retailer 5$3,334 USD
Do Amore Diamonds$6,900 USD

40 data points across 12 retailers

19 retailers$773 USD to $6,140 USD

Retailer 1
-
$663 USD
Price last confirmed 27 days ago
Retailer 2
-
$752 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$773 USD
View
Final sale: no returns
Retailer 4
-
$801 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$987 USD
View
A
Retailer 6
-
$990 USD
View
A
Retailer 7
-
$1,020 USD
View
A
Retailer 8
-
$1,110 USD
View
A
Retailer 9
-
$1,351 USD
£1,064 GBP
View
B+
Retailer 10
-
$1,825 USD
A$2,808 AUD
View
B+
Retailer 11
-
$1,974 USD
View
Retailer 12
-
$2,438 USD
A$3,751 AUD
View
Price last confirmed 21 days ago
Retailer 13
-
$2,487 USD
View
Price last confirmed 29 days ago
B
Retailer 14
-
$2,734 USD
View
B
Retailer 15
-
$2,738 USD
View
B
Retailer 16
-
$3,163 USD
View
B
Retailer 17
-
$3,334 USD
£2,625 GBP
View
B
Retailer 18
-
$6,140 USD
View
Most Expensive
Do Amore Diamonds
23-705519311 · Oct 29
$6,900 USD
View
Price under review
18 more retailers have this diamond
Prices start from $773 USDSave up to $5,367 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
$773 USD