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Heart|Lab Grown|IGI

3.97ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG799648106

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799648106

Diamond specifications and retailer prices

From $3,476 USD
As of October 30, 2026
Save $11,744 USD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $15,220 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.97ct lab-grown heart diamond

This 3.97ct 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 LG799648106 or 799648106. Listed at 21 retailers as of October 30, 2026, with prices from $3,476 to $15,220, a $11,744 spread on the same certified stone. With Clarity lists it at $15,220. 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

3.97
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799648106
Dimensions10.67 × 10.11 × 6.15 mm
L/W Ratio1.06
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
10.67 mm10.11 mm3.97 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799648106
Side View
Table 60.0%Crown 36.5°Girdle: STK-THKPavilion 38.5°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 30
Current: $13,320 USD|Low: $3,476 USD|High: $19,030 USD|Avg: $7,663 USD|-30.0%
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
Retailer 17
Retailer 18
Retailer 19
With Clarity
October 30, 2026
Retailer 5$3,476 USD
Retailer 2$3,781 USD
Retailer 4$3,930 USD
Retailer 10$3,982 USD
Retailer 16$4,032 USD
Retailer 11$4,084 USD
Retailer 17$4,185 USD
Retailer 8$4,999 USD
Retailer 18$5,038 USD
Retailer 19$5,323 USD
Retailer 13$5,387 USD
Retailer 7$6,253 USD
Retailer 14$6,620 USD
Retailer 15$8,682 USD
Retailer 12$9,360 USD
Retailer 6$9,821 USD
Retailer 1$13,320 USD
Retailer 9$13,895 USD
Retailer 3$14,177 USD
With Clarity$15,220 USD

26 data points across 20 retailers

21 retailers$3,476 USD to $15,220 USD

A
Cheapest Retailer
-
$3,476 USD
A
Retailer 2
-
$3,781 USD
View
A
Retailer 3
-
$3,930 USD
View
A
Retailer 4
-
$3,982 USD
View
Final sale: no returns
A
Retailer 5
-
$4,032 USD
View
Retailer 6
-
$4,084 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$4,185 USD
View
A
Retailer 8
-
$4,999 USD
View
A
Retailer 9
-
$5,038 USD
View
B+
Retailer 10
-
$5,323 USD
View
B+
Retailer 11
-
$5,387 USD
£4,242 GBP
View
B+
Retailer 12
-
$6,253 USD
View
B+
Retailer 13
-
$6,620 USD
€6,305 EUR
View
B+
Retailer 14
-
$8,682 USD
£6,836 GBP
View
B+
Retailer 15
-
$9,360 USD
ZAR 151,208 ZAR
View
B+
Retailer 16
-
$9,821 USD
View
B+
Retailer 17
-
$9,913 USD
View
B
Retailer 18
-
$13,320 USD
View
B
Retailer 19
-
$13,895 USD
SGD 18,777 SGD
View
B
Retailer 20
-
$14,177 USD
View
Most Expensive
B
With Clarity
799648106 · Oct 30
$15,220 USD
View
20 more retailers have this diamond
Prices start from $3,476 USDSave up to $11,744 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
3.97ct Heart
$3,476 USD