CaratHunter
Plans
Heart|Lab Grown|IGI

4.12ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846662167

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846662167

Diamond specifications and retailer prices

From $7,092 NZD
$3,997 USD
As of October 30, 2026
Save $41,897 NZD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $48,988 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.12ct lab-grown heart diamond

This 4.12ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846662167 or 846662167. Listed at 12 retailers as of October 30, 2026, with prices from $7,092 to $48,988, a $41,897 spread on the same certified stone. Do Amore Diamonds lists it at $48,988. 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

4.12
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662167
Dimensions9.73 × 10.83 × 6.54 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.73 mm10.83 mm4.12 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662167
Side View
Table 62.0%Crown 36.2°Girdle: THK-VTKPavilion 40.1°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $48,988 NZD|Low: $7,092 NZD|High: $51,437 NZD|Avg: $16,321 NZD|-4.8%
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 31, 2026
Retailer 6$7,092 NZD
Retailer 4$7,463 NZD
Retailer 7$7,617 NZD
Retailer 10$7,688 NZD
Retailer 2$8,101 NZD
Retailer 3$8,357 NZD
Retailer 11$10,955 NZD
Retailer 12$11,393 NZD
Retailer 9$12,794 NZD
Retailer 8$18,980 NZD
Retailer 5$22,463 NZD
Do Amore Diamonds$48,988 NZD

13 data points across 12 retailers

12 retailers$7,092 NZD to $48,988 NZD

A+
Cheapest Retailer
-
$7,092 NZD
$3,997 USD
A
Retailer 2
-
$7,463 NZD
$4,206 USD
View
A
Retailer 3
-
$7,617 NZD
£3,380 GBP
View
A
Retailer 4
-
$7,688 NZD
$4,333 USD
View
A
Retailer 5
-
$8,101 NZD
$4,566 USD
View
A
Retailer 6
-
$8,357 NZD
$4,710 USD
View
A
Retailer 7
-
$10,955 NZD
$6,174 USD
View
A
Retailer 8
-
$11,393 NZD
$6,421 USD
View
A
Retailer 9
-
$12,794 NZD
$7,211 USD
View
B+
Retailer 10
-
$18,980 NZD
£8,423 GBP
View
B+
Retailer 11
-
$22,463 NZD
$12,660 USD
View
Most Expensive
B
Do Amore Diamonds
27-2AEFE2FD2 · Oct 31
$48,988 NZD
$27,610 USD
View
11 more retailers have this diamond
Prices start from $7,092 NZDSave up to $41,897 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+
4.12ct Heart
$7,092 NZD