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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 HK$6,065 HKD
$773 USD
As of October 29, 2026
Save HK$42,108 HKD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$54,135 HKD 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

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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: HK$54,135 HKD|Low: HK$4,400 HKD|High: HK$54,135 HKD|Avg: HK$16,295 HKD
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 4HK$4,400 HKD
Retailer 12HK$6,065 HKD
Retailer 11HK$7,744 HKD
Retailer 8HK$7,767 HKD
Retailer 3HK$8,709 HKD
Retailer 2HK$10,611 HKD
Retailer 6HK$14,320 HKD
Retailer 7HK$15,487 HKD
Retailer 9HK$19,129 HKD
Retailer 10HK$21,450 HKD
Retailer 5HK$26,156 HKD
Do Amore DiamondsHK$54,135 HKD

41 data points across 12 retailers

19 retailersHK$6,065 HKD to HK$48,173 HKD

Retailer 1
-
HK$5,202 HKD
$663 USD
Price last confirmed 28 days ago
Retailer 2
-
HK$5,900 HKD
$752 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
HK$6,065 HKD
$773 USD
View
Final sale: no returns
Retailer 4
-
HK$6,284 HKD
$801 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
HK$7,744 HKD
$987 USD
View
A
Retailer 6
-
HK$7,767 HKD
$990 USD
View
A
Retailer 7
-
HK$8,003 HKD
$1,020 USD
View
A
Retailer 8
-
HK$8,709 HKD
$1,110 USD
View
A
Retailer 9
-
HK$10,611 HKD
£1,065 GBP
View
B+
Retailer 10
-
HK$14,320 HKD
A$2,808 AUD
View
B+
Retailer 11
-
HK$15,487 HKD
$1,974 USD
View
Retailer 12
-
HK$19,129 HKD
A$3,751 AUD
View
Price last confirmed 22 days ago
Retailer 13
-
HK$19,512 HKD
$2,487 USD
View
Price last confirmed 30 days ago
B
Retailer 14
-
HK$21,450 HKD
$2,734 USD
View
B
Retailer 15
-
HK$21,481 HKD
$2,738 USD
View
B
Retailer 16
-
HK$24,820 HKD
$3,163 USD
View
B
Retailer 17
-
HK$26,156 HKD
£2,625 GBP
View
B
Retailer 18
-
HK$48,173 HKD
$6,140 USD
View
Most Expensive
Do Amore Diamonds
23-705519311 · Oct 29
HK$54,135 HKD
$6,900 USD
View
Price under review
18 more retailers have this diamond
Prices start from HK$6,065 HKDSave up to HK$42,108 HKD

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
HK$6,065 HKD