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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 $3,763 USD
As of October 27, 2026
Save $22,127 USD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $25,890 USD 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 27, 2026, with prices from $3,763 to $25,890, a $22,127 spread on the same certified stone. Do Amore Diamonds lists it at $25,890. 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
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

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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 27
Current: $25,890 USD|Low: $3,673 USD|High: $32,230 USD|Avg: $14,118 USD|-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
Retailer 14
October 29, 2026
Retailer 11$3,763 USD
Retailer 8$3,943 USD
Retailer 14$5,142 USD
Retailer 7$5,655 USD
Retailer 10$5,789 USD
Retailer 9$6,021 USD
Retailer 12$6,764 USD
Retailer 2$10,029 USD
Retailer 3$11,094 USD
Retailer 4$12,923 USD
Retailer 13$21,350 USD
Retailer 5$24,299 USD
Do Amore Diamonds$25,890 USD
Retailer 6$32,230 USD

27 data points across 14 retailers

10 retailers$3,763 USD to $25,890 USD

A
Cheapest Retailer
-
$3,763 USD
A
Retailer 2
-
$3,943 USD
View
A
Retailer 3
-
$5,142 USD
View
Final sale: no returns
A
Retailer 4
-
$5,655 USD
View
A
Retailer 5
-
$5,789 USD
View
A
Retailer 6
-
$6,021 USD
View
A
Retailer 7
-
$6,764 USD
View
B+
Retailer 8
-
$10,029 USD
£7,897 GBP
View
B
Retailer 9
-
$21,350 USD
View
Most Expensive
B
Do Amore Diamonds
27-95D350581 · Oct 30
$25,890 USD
View
9 more retailers have this diamond
Prices start from $3,763 USDSave up to $22,127 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
$3,763 USD