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Heart|Lab Grown|IGI

3.48ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG784642609

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784642609

Diamond specifications and retailer prices

From $2,364 USD
As of October 30, 2026
Save $13,926 USD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $16,290 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.48ct lab-grown heart diamond

This 3.48ct 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 LG784642609 or 784642609. Listed at 13 retailers as of October 30, 2026, with prices from $2,364 to $16,290, a $13,926 spread on the same certified stone. Do Amore Diamonds lists it at $16,290. 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

3.48
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642609
Dimensions9.74 × 10.22 × 6.19 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.74 mm10.22 mm3.48 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642609
Side View
Table 59.0%Crown 37.2°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 60.6%

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 30
Current: $16,290 USD|Low: $2,364 USD|High: $19,780 USD|Avg: $6,489 USD|-17.6%
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 30, 2026
Retailer 2$2,364 USD
Retailer 14$2,576 USD
Retailer 10$2,767 USD
Retailer 12$2,910 USD
Retailer 3$3,205 USD
Retailer 5$3,376 USD
Retailer 13$4,167 USD
Retailer 11$4,209 USD
Retailer 9$4,284 USD
Retailer 7$5,130 USD
Retailer 6$6,492 USD
Retailer 8$8,161 USD
Retailer 4$15,410 USD
Do Amore Diamonds$16,290 USD

30 data points across 14 retailers

13 retailers$2,364 USD to $16,290 USD

A
Cheapest Retailer
-
$2,364 USD
A
Retailer 2
-
$2,576 USD
View
A
Retailer 3
-
$2,767 USD
View
A
Retailer 4
-
$2,910 USD
View
A
Retailer 5
-
$3,205 USD
View
A
Retailer 6
-
$3,376 USD
View
Final sale: no returns
A
Retailer 7
-
$4,167 USD
View
A
Retailer 8
-
$4,209 USD
View
A
Retailer 9
-
$4,284 USD
View
B+
Retailer 10
-
$5,130 USD
€4,886 EUR
View
B+
Retailer 11
-
$8,161 USD
£6,426 GBP
View
B
Retailer 12
-
$15,410 USD
View
Most Expensive
B
Do Amore Diamonds
27-F879ED1FD · Oct 30
$16,290 USD
View
12 more retailers have this diamond
Prices start from $2,364 USDSave up to $13,926 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
3.48ct Heart
$2,364 USD