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Heart|Lab Grown|IGI

4.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663578

Certificate IGI LG846663578

Diamond specifications and retailer prices

From $7,459 NZD
£3,310 GBP
As of October 30, 2026
Save $34,266 NZD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $41,724 NZD at With Clarity · As of October 31, 2026
View at With Clarity

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 LG846663578 or 846663578. Listed at 10 retailers as of October 30, 2026, with prices from $7,459 to $41,724, a $34,266 spread on the same certified stone. With Clarity lists it at $41,724. 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
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663578
Dimensions10.18 × 10.75 × 6.38 mm
L/W Ratio1.06
Top View
10.18 mm10.75 mm4.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663578
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.3%

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: $31,512 NZD|Low: $7,459 NZD|High: $41,724 NZD|Avg: $19,847 NZD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 31, 2026
Retailer 3$7,459 NZD
Retailer 4$9,005 NZD
Retailer 8$10,692 NZD
Retailer 7$11,157 NZD
Retailer 2$11,618 NZD
Retailer 9$18,004 NZD
Retailer 5$18,586 NZD
Retailer 6$19,656 NZD
Retailer 1$31,512 NZD
With Clarity$41,724 NZD

6 data points across 10 retailers

10 retailers$7,459 NZD to $41,724 NZD

A
Cheapest Retailer
-
$7,459 NZD
£3,310 GBP
A
Retailer 2
-
$9,005 NZD
$5,075 USD
View
A
Retailer 3
-
$10,692 NZD
$6,026 USD
View
A
Retailer 4
-
$11,157 NZD
$6,288 USD
View
A
Retailer 5
-
$11,618 NZD
$6,548 USD
View
B+
Retailer 6
-
$18,004 NZD
€9,664 EUR
View
B+
Retailer 7
-
$18,586 NZD
£8,248 GBP
View
B+
Retailer 8
-
$19,656 NZD
$11,078 USD
View
B+
Retailer 9
-
$31,512 NZD
$17,760 USD
View
Most Expensive
B
With Clarity
846663578 · Oct 31
$41,724 NZD
$23,516 USD
View
9 more retailers have this diamond
Prices start from $7,459 NZDSave up to $34,266 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
$7,459 NZD