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Heart|Lab Grown|IGI

3.50ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660376

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660376

Diamond specifications and retailer prices

From $2,687 USD
As of October 27, 2026
Save $15,803 USD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $18,490 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.5ct lab-grown heart diamond

This 3.5ct 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 LG804660376 or 804660376. Listed at 13 retailers as of October 27, 2026, with prices from $2,687 to $18,490, a $15,803 spread on the same certified stone. Do Amore Diamonds lists it at $18,490. 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

3.50
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660376
Dimensions9.90 × 10.36 × 6.13 mm
L/W Ratio1.05
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
9.90 mm10.36 mm3.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660376
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
A+
Exceptional
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: $18,490 USD|Low: $2,687 USD|High: $20,710 USD|Avg: $8,209 USD|-10.7%
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
Retailer 15
October 29, 2026
Retailer 9$2,687 USD
Retailer 15$2,924 USD
Retailer 11$3,060 USD
Retailer 3$3,233 USD
Retailer 13$3,280 USD
Retailer 5$3,538 USD
Retailer 14$4,299 USD
Retailer 12$4,574 USD
Retailer 10$4,853 USD
Retailer 2$5,829 USD
Retailer 6$6,798 USD
Retailer 8$8,768 USD
Retailer 4$16,780 USD
Retailer 7$17,581 USD
Do Amore Diamonds$18,490 USD

27 data points across 15 retailers

13 retailers$2,687 USD to $18,490 USD

A+
Cheapest Retailer
-
$2,687 USD
A
Retailer 2
-
$2,924 USD
View
A
Retailer 3
-
$3,060 USD
View
A
Retailer 4
-
$3,233 USD
View
A
Retailer 5
-
$3,280 USD
View
A
Retailer 6
-
$3,538 USD
View
Final sale: no returns
A
Retailer 7
-
$4,299 USD
View
B+
Retailer 8
-
$4,574 USD
View
B+
Retailer 9
-
$4,853 USD
View
B+
Retailer 10
-
$5,829 USD
€5,551 EUR
View
B+
Retailer 11
-
$8,768 USD
£6,904 GBP
View
B
Retailer 12
-
$16,780 USD
View
Most Expensive
B
Do Amore Diamonds
27-E9C3818C7 · Oct 29
$18,490 USD
View
12 more retailers have this diamond
Prices start from $2,687 USDSave up to $15,803 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+
3.50ct Heart
$2,687 USD