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Heart|Lab Grown|IGI

3.46ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804660276

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804660276

Diamond specifications and retailer prices

From $2,354 USD
As of October 27, 2026
Save $13,846 USD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $16,200 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.46ct lab-grown heart diamond

This 3.46ct 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 LG804660276 or 804660276. Listed at 13 retailers as of October 27, 2026, with prices from $2,354 to $16,200, a $13,846 spread on the same certified stone. Do Amore Diamonds lists it at $16,200. 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

3.46
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804660276
Dimensions10.22 × 9.78 × 6.09 mm
L/W Ratio1.04
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
10.22 mm9.78 mm3.46 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804660276
Side View
Table 61.0%Crown 36.1°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 59.6%

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: $16,200 USD|Low: $2,354 USD|High: $19,680 USD|Avg: $6,701 USD|-17.7%
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
October 29, 2026
Retailer 8$2,354 USD
Retailer 14$2,562 USD
Retailer 10$2,752 USD
Retailer 12$2,895 USD
Retailer 3$3,172 USD
Retailer 5$3,358 USD
Retailer 13$4,144 USD
Retailer 11$4,186 USD
Retailer 9$4,262 USD
Retailer 2$5,101 USD
Retailer 6$6,460 USD
Retailer 7$8,114 USD
Retailer 4$15,320 USD
Do Amore Diamonds$16,200 USD

28 data points across 14 retailers

13 retailers$2,354 USD to $16,200 USD

A
Cheapest Retailer
-
$2,354 USD
A
Retailer 2
-
$2,562 USD
View
A
Retailer 3
-
$2,752 USD
View
A
Retailer 4
-
$2,895 USD
View
A
Retailer 5
-
$3,172 USD
View
A
Retailer 6
-
$3,358 USD
View
Final sale: no returns
A
Retailer 7
-
$4,144 USD
View
A
Retailer 8
-
$4,186 USD
View
A
Retailer 9
-
$4,262 USD
View
B+
Retailer 10
-
$5,101 USD
€4,858 EUR
View
B+
Retailer 11
-
$8,114 USD
£6,389 GBP
View
B
Retailer 12
-
$15,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-FFA854F6D · Oct 29
$16,200 USD
View
12 more retailers have this diamond
Prices start from $2,354 USDSave up to $13,846 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
3.46ct Heart
$2,354 USD