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Heart|Lab Grown|IGI

3.00ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG754594407

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG754594407

Diamond specifications and retailer prices

From $1,277 AUD
$895 USD
As of November 2, 2026
Save $21,148 AUD (94%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $22,425 AUD at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 3ct lab-grown heart diamond

This 3ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594407 or 754594407. Listed at 16 retailers as of November 1, 2026, with prices from $1,277 to $22,425, a $21,148 spread on the same certified stone. Novita Diamonds lists it at $22,425. 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

3.00
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594407
Dimensions9.11 × 9.66 × 5.95 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
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
9.11 mm9.66 mm3.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594407
Side View
Table 60.0%Crown 37.2°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 61.6%

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: Nov 2
Current: $22,425 AUD|Low: $1,277 AUD|High: $23,241 AUD|Avg: $7,010 AUD|-1.3%
Novita 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
Retailer 16
Retailer 17
November 2, 2026
Retailer 4$1,277 AUD
Retailer 11$1,390 AUD
Retailer 15$1,741 AUD
Retailer 8$2,334 AUD
Retailer 12$2,377 AUD
Retailer 6$2,511 AUD
Retailer 10$2,667 AUD
Retailer 14$3,065 AUD
Retailer 16$3,115 AUD
Retailer 2$3,296 AUD
Retailer 7$3,597 AUD
Retailer 17$3,693 AUD
Retailer 5$7,497 AUD
Retailer 13$11,344 AUD
Retailer 3$11,900 AUD
Retailer 9$12,609 AUD
Novita Diamonds$22,425 AUD

35 data points across 17 retailers

16 retailers$1,277 AUD to $22,425 AUD

A
Cheapest Retailer
-
$1,277 AUD
$895 USD
A
Retailer 2
-
$1,390 AUD
$974 USD
View
A
Retailer 3
-
$1,741 AUD
$1,220 USD
View
A
Retailer 4
-
$2,334 AUD
$1,636 USD
View
Final sale: no returns
A
Retailer 5
-
$2,377 AUD
$1,666 USD
View
A
Retailer 6
-
$2,511 AUD
$1,760 USD
View
A
Retailer 7
-
$2,667 AUD
€1,780 EUR
View
A
Retailer 8
-
$3,065 AUD
$2,148 USD
View
A
Retailer 9
-
$3,115 AUD
$2,183 USD
View
A
Retailer 10
-
$3,296 AUD
$2,310 USD
View
A
Retailer 11
-
$3,597 AUD
View
A
Retailer 12
-
$3,693 AUD
View
B+
Retailer 13
-
$7,497 AUD
£4,137 GBP
View
B+
Retailer 14
-
$11,344 AUD
$7,950 USD
View
B+
Retailer 15
-
$11,900 AUD
$8,340 USD
View
Most Expensive
B
Novita Diamonds
cert_754594407 · Nov 1
$22,425 AUD
View
15 more retailers have this diamond
Prices start from $1,277 AUDSave up to $21,148 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
3.00ct Heart
$1,277 AUD