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Heart|Lab Grown|IGI

4.02ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG780667820

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG780667820

Diamond specifications and retailer prices

From $7,534 NZD
$4,246 USD
As of October 31, 2026
Save $38,758 NZD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $46,291 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.02ct lab-grown heart diamond

This 4.02ct 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 LG780667820 or 780667820. Listed at 20 retailers as of October 31, 2026, with prices from $7,534 to $46,291, a $38,758 spread on the same certified stone. Do Amore Diamonds lists it at $46,291. 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

4.02
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780667820
Dimensions11.20 × 9.36 × 6.57 mm
L/W Ratio1.20
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
11.20 mm9.36 mm4.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780667820
Side View
Table 55.0%Crown 34.6°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 58.7%

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 31
Current: $46,291 NZD|Low: $7,131 NZD|High: $61,355 NZD|Avg: $22,291 NZD|-24.6%
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
Retailer 15
November 1, 2026
Retailer 6$7,534 NZD
Retailer 9$7,807 NZD
Retailer 13$8,064 NZD
Retailer 7$9,491 NZD
Retailer 11$10,349 NZD
Retailer 8$11,050 NZD
Retailer 14$11,141 NZD
Retailer 2$17,835 NZD
Retailer 10$18,332 NZD
Retailer 4$19,146 NZD
Retailer 3$21,482 NZD
Retailer 5$30,642 NZD
Retailer 12$33,925 NZD
Retailer 15$38,364 NZD
Do Amore Diamonds$46,291 NZD

33 data points across 15 retailers

20 retailers$7,534 NZD to $46,291 NZD

A
Cheapest Retailer
-
$7,534 NZD
$4,246 USD
Final sale: no returns
A
Retailer 2
-
$7,807 NZD
$4,400 USD
View
A
Retailer 3
-
$8,064 NZD
$4,545 USD
View
Retailer 4
-
$8,181 NZD
$4,611 USD
View
Price last confirmed 24 days ago
Retailer 5
-
$8,575 NZD
$4,833 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$9,491 NZD
$5,349 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$9,491 NZD
$5,349 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$10,349 NZD
$5,833 USD
View
A
Retailer 9
-
$11,050 NZD
£4,904 GBP
View
A
Retailer 10
-
$11,141 NZD
$6,279 USD
View
Retailer 11
-
$12,436 NZD
$7,009 USD
View
Price last confirmed 31 days ago
B+
Retailer 12
-
$17,835 NZD
£7,915 GBP
View
B+
Retailer 13
-
$18,332 NZD
ZAR 166,910 ZAR
View
B+
Retailer 14
-
$19,146 NZD
$10,791 USD
View
B+
Retailer 15
-
$21,482 NZD
$12,107 USD
View
B+
Retailer 16
-
$30,642 NZD
$17,270 USD
View
B
Retailer 17
-
$33,925 NZD
$19,120 USD
View
Retailer 18
-
$33,925 NZD
$19,120 USD
View
Price last confirmed 20 days ago
B+
Retailer 19
-
$38,364 NZD
$21,622 USD
View
Most Expensive
B
Do Amore Diamonds
27-F50412EF9 · Oct 31
$46,291 NZD
$26,090 USD
View
19 more retailers have this diamond
Prices start from $7,534 NZDSave up to $38,758 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
4.02ct Heart
$7,534 NZD