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Heart|Lab Grown|IGI

3.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816618506

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816618506

Diamond specifications and retailer prices

From $2,410 USD
As of October 27, 2026
Save $7,348 USD (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,758 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.03ct lab-grown heart diamond

This 3.03ct 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 LG816618506 or 816618506. Listed at 18 retailers as of October 27, 2026, with prices from $2,410 to $9,758, a $7,348 spread on the same certified stone. Taylor and Hart lists it at $9,758. 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

3.03
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816618506
Dimensions10.06 × 9.07 × 5.79 mm
L/W Ratio1.11
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
10.06 mm9.07 mm3.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816618506
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 57.6%

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 27
Current: $6,491 USD|Low: $2,111 USD|High: $10,680 USD|Avg: $5,138 USD|-6.5%
Retailer 1
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
Retailer 15
Retailer 16
Taylor and Hart
October 29, 2026
Retailer 6$2,410 USD
Retailer 12$2,622 USD
Retailer 4$2,698 USD
Retailer 16$2,795 USD
Retailer 3$2,883 USD
Retailer 11$2,960 USD
Retailer 8$3,063 USD
Retailer 14$3,308 USD
Retailer 9$3,838 USD
Retailer 7$3,842 USD
Retailer 13$4,191 USD
Retailer 15$4,359 USD
Retailer 1$6,491 USD
Retailer 5$7,464 USD
Retailer 10$7,523 USD
Retailer 2$8,245 USD
Taylor and Hart$9,758 USD

43 data points across 17 retailers

18 retailers$2,410 USD to $9,758 USD

A
Cheapest Retailer
-
$2,410 USD
A
Retailer 2
-
$2,622 USD
View
A
Retailer 3
-
$2,698 USD
View
Final sale: no returns
A
Retailer 4
-
$2,795 USD
View
A
Retailer 5
-
$2,883 USD
View
A
Retailer 6
-
$2,960 USD
View
Retailer 7
-
$3,020 USD
View
Price last confirmed 34 days ago
Retailer 8
-
$3,063 USD
View
Price last confirmed 17 days ago
A
Retailer 9
-
$3,308 USD
View
B+
Retailer 10
-
$3,838 USD
£3,022 GBP
View
A
Retailer 11
-
$3,842 USD
View
B+
Retailer 12
-
$4,191 USD
View
B+
Retailer 13
-
$4,359 USD
View
B+
Retailer 14
-
$6,491 USD
ZAR 104,859 ZAR
View
B+
Retailer 15
-
$7,464 USD
View
B+
Retailer 16
-
$7,523 USD
£5,924 GBP
View
B
Retailer 17
-
$8,245 USD
View
Most Expensive
B
Taylor and Hart
NP8SDHB · Oct 30
$9,758 USD
View
17 more retailers have this diamond
Prices start from $2,410 USDSave up to $7,348 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
3.03ct Heart
$2,410 USD