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 $4,204 USD
£3,310 GBP
As of October 30, 2026
Save $19,312 USD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $23,516 USD at With Clarity · As of October 30, 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 9 retailers as of October 30, 2026, with prices from $4,204 to $23,516, a $19,312 spread on the same certified stone. With Clarity lists it at $23,516. 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
Color
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: $4,204 USD|Low: $4,204 USD|High: $23,516 USD|Avg: $11,386 USD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 30, 2026
Retailer 1$4,204 USD
Retailer 2$5,075 USD
Retailer 6$6,026 USD
Retailer 5$6,288 USD
Retailer 7$10,147 USD
Retailer 3$10,475 USD
Retailer 4$11,078 USD
With Clarity$23,516 USD

5 data points across 8 retailers

9 retailers$4,204 USD to $23,516 USD

A
Cheapest Retailer
-
$4,204 USD
£3,310 GBP
A
Retailer 2
-
$5,075 USD
View
A
Retailer 3
-
$6,026 USD
View
A
Retailer 4
-
$6,288 USD
View
B+
Retailer 5
-
$10,147 USD
€9,664 EUR
View
B+
Retailer 6
-
$10,475 USD
£8,248 GBP
View
B+
Retailer 7
-
$11,078 USD
View
B
Retailer 8
-
$21,350 USD
View
Most Expensive
B
With Clarity
846663578 · Oct 30
$23,516 USD
View
8 more retailers have this diamond
Prices start from $4,204 USDSave up to $19,312 USD

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
$4,204 USD