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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 $4,948 AUD
$3,476 USD
As of October 30, 2026
Save $16,719 AUD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $21,667 AUD at With Clarity · As of October 31, 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 $4,948 to $21,667, a $16,719 spread on the same certified stone. With Clarity lists it at $21,667. 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
Colour
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

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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: $9,359 AUD|Low: $4,948 AUD|High: $27,091 AUD|Avg: $10,853 AUD|-14.0%
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 31, 2026
Retailer 6$4,948 AUD
Retailer 3$5,383 AUD
Retailer 12$5,541 AUD
Retailer 5$5,595 AUD
Retailer 17$5,740 AUD
Retailer 11$5,814 AUD
Retailer 18$5,958 AUD
Retailer 9$7,117 AUD
Retailer 19$7,172 AUD
Retailer 2$7,578 AUD
Retailer 13$7,605 AUD
Retailer 8$8,902 AUD
Retailer 1$9,359 AUD
Retailer 16$12,359 AUD
Retailer 15$13,325 AUD
Retailer 7$13,981 AUD
Retailer 14$18,962 AUD
Retailer 10$19,781 AUD
Retailer 4$20,183 AUD
With Clarity$21,667 AUD

24 data points across 20 retailers

21 retailers$4,948 AUD to $21,667 AUD

A
Cheapest Retailer
-
$4,948 AUD
$3,476 USD
A
Retailer 2
-
$5,383 AUD
$3,781 USD
View
A
Retailer 3
-
$5,541 AUD
$3,892 USD
View
Final sale: no returns
A
Retailer 4
-
$5,595 AUD
$3,930 USD
View
A
Retailer 5
-
$5,740 AUD
$4,032 USD
View
Retailer 6
-
$5,814 AUD
$4,084 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$5,958 AUD
$4,185 USD
View
A
Retailer 8
-
$7,117 AUD
$4,999 USD
View
A
Retailer 9
-
$7,172 AUD
$5,038 USD
View
B+
Retailer 10
-
$7,578 AUD
$5,323 USD
View
B+
Retailer 11
-
$7,605 AUD
£4,207 GBP
View
B+
Retailer 12
-
$8,902 AUD
$6,253 USD
View
B+
Retailer 13
-
$9,359 AUD
€6,261 EUR
View
B+
Retailer 14
-
$12,359 AUD
£6,836 GBP
View
B+
Retailer 15
-
$13,325 AUD
ZAR 151,208 ZAR
View
B+
Retailer 16
-
$13,981 AUD
$9,821 USD
View
B+
Retailer 17
-
$14,112 AUD
$9,913 USD
View
B
Retailer 18
-
$18,962 AUD
$13,320 USD
View
B
Retailer 19
-
$19,781 AUD
SGD 18,777 SGD
View
B
Retailer 20
-
$20,183 AUD
$14,177 USD
View
Most Expensive
B
With Clarity
799648106 · Oct 31
$21,667 AUD
$15,220 USD
View
20 more retailers have this diamond
Prices start from $4,948 AUDSave up to $16,719 AUD

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
$4,948 AUD