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Heart|Lab Grown|IGI

4.38ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG800684553

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800684553

Diamond specifications and retailer prices

From $7,518 NZD
$4,237 USD
As of October 30, 2026
Save $44,203 NZD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $51,721 NZD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.38ct lab-grown heart diamond

This 4.38ct 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 LG800684553 or 800684553. Listed at 13 retailers as of October 30, 2026, with prices from $7,518 to $51,721, a $44,203 spread on the same certified stone. Do Amore Diamonds lists it at $51,721. 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

4.38
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800684553
Dimensions10.48 × 10.86 × 6.52 mm
L/W Ratio1.04
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
10.48 mm10.86 mm4.38 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800684553
Side View
Table 58.0%Crown 37.1°Girdle: THK-VTKPavilion 39.5°Culet: NoneDepth 60.0%

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 30
Current: $51,721 NZD|Low: $7,518 NZD|High: $58,179 NZD|Avg: $17,979 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$7,518 NZD
Retailer 4$7,912 NZD
Retailer 9$8,105 NZD
Retailer 10$8,801 NZD
Retailer 11$9,037 NZD
Retailer 5$9,950 NZD
Retailer 3$11,395 NZD
Retailer 8$12,028 NZD
Retailer 7$13,495 NZD
Retailer 12$16,616 NZD
Retailer 6$18,992 NZD
Retailer 2$19,931 NZD
Retailer 13$28,815 NZD
Do Amore Diamonds$51,721 NZD

33 data points across 14 retailers

13 retailers$7,518 NZD to $51,721 NZD

A
Cheapest Retailer
-
$7,518 NZD
$4,237 USD
A
Retailer 2
-
$7,912 NZD
$4,459 USD
View
A
Retailer 3
-
$8,105 NZD
$4,568 USD
View
A
Retailer 4
-
$8,801 NZD
$4,960 USD
View
A
Retailer 5
-
$9,037 NZD
$5,093 USD
View
A
Retailer 6
-
$9,950 NZD
$5,608 USD
View
Final sale: no returns
A
Retailer 7
-
$11,395 NZD
$6,422 USD
View
A
Retailer 8
-
$12,028 NZD
$6,779 USD
View
A
Retailer 9
-
$13,495 NZD
$7,606 USD
View
A
Retailer 10
-
$16,616 NZD
€8,919 EUR
View
B+
Retailer 11
-
$19,931 NZD
£8,845 GBP
View
B+
Retailer 12
-
$28,815 NZD
$16,240 USD
View
Most Expensive
B
Do Amore Diamonds
27-A309CFBE5 · Nov 1
$51,721 NZD
$29,150 USD
View
12 more retailers have this diamond
Prices start from $7,518 NZDSave up to $44,203 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
4.38ct Heart
$7,518 NZD