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Heart|Lab Grown|IGI

4.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG786645678

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG786645678

Diamond specifications and retailer prices

From $6,677 NZD
$3,763 USD
As of October 30, 2026
Save $39,260 NZD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $45,937 NZD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.03ct lab-grown heart diamond

This 4.03ct 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 LG786645678 or 786645678. Listed at 10 retailers as of October 30, 2026, with prices from $6,677 to $45,937, a $39,260 spread on the same certified stone. Do Amore Diamonds lists it at $45,937. 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

4.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786645678
Dimensions11.19 × 9.88 × 6.31 mm
L/W Ratio1.13
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
11.19 mm9.88 mm4.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786645678
Side View
Table 62.0%Crown 35.9°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 56.4%

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: $45,937 NZD|Low: $6,677 NZD|High: $53,708 NZD|Avg: $21,155 NZD|-13.6%
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
October 31, 2026
Retailer 11$6,677 NZD
Retailer 8$6,996 NZD
Retailer 13$9,123 NZD
Retailer 2$9,918 NZD
Retailer 10$10,271 NZD
Retailer 9$10,683 NZD
Retailer 12$12,001 NZD
Retailer 7$17,795 NZD
Retailer 3$19,685 NZD
Retailer 6$21,966 NZD
Retailer 4$22,929 NZD
Retailer 5$43,114 NZD
Do Amore Diamonds$45,937 NZD

28 data points across 13 retailers

10 retailers$6,677 NZD to $45,937 NZD

A
Cheapest Retailer
-
$6,677 NZD
$3,763 USD
A
Retailer 2
-
$6,996 NZD
$3,943 USD
View
A
Retailer 3
-
$9,123 NZD
$5,142 USD
View
Final sale: no returns
A
Retailer 4
-
$9,918 NZD
$5,590 USD
View
A
Retailer 5
-
$10,271 NZD
$5,789 USD
View
A
Retailer 6
-
$10,683 NZD
$6,021 USD
View
A
Retailer 7
-
$12,001 NZD
$6,764 USD
View
B+
Retailer 8
-
$17,795 NZD
£7,897 GBP
View
B+
Retailer 9
-
$21,966 NZD
$12,380 USD
View
Most Expensive
B
Do Amore Diamonds
27-95D350581 · Oct 30
$45,937 NZD
$25,890 USD
View
9 more retailers have this diamond
Prices start from $6,677 NZDSave up to $39,260 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
4.03ct Heart
$6,677 NZD