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Heart|Lab Grown|IGI

4.15ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG784645686

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784645686

Diamond specifications and retailer prices

From $7,140 NZD
$4,024 USD
As of October 30, 2026
Save $41,991 NZD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $49,130 NZD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.15ct lab-grown heart diamond

This 4.15ct 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 LG784645686 or 784645686. Listed at 13 retailers as of October 30, 2026, with prices from $7,140 to $49,130, a $41,991 spread on the same certified stone. Do Amore Diamonds lists it at $49,130. 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

4.15
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645686
Dimensions10.85 × 10.18 × 6.40 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
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
10.85 mm10.18 mm4.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645686
Side View
Table 57.0%Crown 36.6°Girdle: STK-VTKPavilion 39.4°Culet: NoneDepth 59.0%

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 30
Current: $49,130 NZD|Low: $7,078 NZD|High: $55,252 NZD|Avg: $16,983 NZD|-11.1%
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
Retailer 14
November 1, 2026
Retailer 14$7,140 NZD
Retailer 4$7,514 NZD
Retailer 9$7,711 NZD
Retailer 11$8,206 NZD
Retailer 10$8,375 NZD
Retailer 5$9,446 NZD
Retailer 3$11,031 NZD
Retailer 8$11,425 NZD
Retailer 7$12,825 NZD
Retailer 12$15,744 NZD
Retailer 6$18,035 NZD
Retailer 2$18,930 NZD
Retailer 13$22,622 NZD
Do Amore Diamonds$49,130 NZD

33 data points across 14 retailers

13 retailers$7,140 NZD to $49,130 NZD

A
Cheapest Retailer
-
$7,140 NZD
$4,024 USD
A
Retailer 2
-
$7,514 NZD
$4,235 USD
View
A
Retailer 3
-
$7,711 NZD
$4,346 USD
View
A
Retailer 4
-
$8,206 NZD
$4,625 USD
View
A
Retailer 5
-
$8,375 NZD
$4,720 USD
View
A
Retailer 6
-
$9,446 NZD
$5,324 USD
View
Final sale: no returns
A
Retailer 7
-
$11,031 NZD
$6,217 USD
View
A
Retailer 8
-
$11,425 NZD
$6,439 USD
View
A
Retailer 9
-
$12,825 NZD
$7,228 USD
View
B+
Retailer 10
-
$15,744 NZD
€8,451 EUR
View
B+
Retailer 11
-
$18,930 NZD
£8,401 GBP
View
B+
Retailer 12
-
$22,622 NZD
$12,750 USD
View
Most Expensive
B
Do Amore Diamonds
27-E445A2275 · Nov 1
$49,130 NZD
$27,690 USD
View
12 more retailers have this diamond
Prices start from $7,140 NZDSave up to $41,991 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
4.15ct Heart
$7,140 NZD