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Heart|Lab Grown|IGI

2.45ct F IF Heart Lab Grown Diamond

ID • F/IF • IGI LG578321428

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG578321428

Diamond specifications and retailer prices

From $1,754 NZD
As of November 4, 2026
Save $5,333 NZD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $11,634 NZD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 2.45ct lab-grown heart diamond

This 2.45ct lab-grown heart sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG578321428 or 578321428. Listed at 17 retailers as of November 4, 2026, with a 304% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.45
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle44.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578321428
Dimensions9.41 × 8.11 × 5.56 mm
L/W Ratio1.16
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
9.41 mm8.11 mm2.45 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578321428
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 44.3°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $11,634 NZD|Low: $1,683 NZD|High: $11,634 NZD|Avg: $4,406 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 12$1,754 NZD
Retailer 4$1,964 NZD
Retailer 13$2,033 NZD
Retailer 9$2,348 NZD
Retailer 10$2,914 NZD
Retailer 6$3,108 NZD
Retailer 11$4,383 NZD
Retailer 5$4,680 NZD
Retailer 8$4,828 NZD
Retailer 7$5,251 NZD
Retailer 3$6,308 NZD
Retailer 2$6,879 NZD
Brilliant Earth$11,634 NZD

44 data points across 13 retailers

17 retailers$1,754 NZD to $7,087 NZD

A
Cheapest Retailer
-
$1,754 NZD
A
Retailer 2
-
$1,907 NZD
View
A
Retailer 3
-
$1,964 NZD
View
Final sale: no returns
A
Retailer 4
-
$2,033 NZD
View
Retailer 5
-
$2,033 NZD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$2,348 NZD
View
A
Retailer 7
-
$2,914 NZD
View
A
Retailer 8
-
$3,108 NZD
View
A
Retailer 9
-
$3,812 NZD
View
A
Retailer 10
-
$3,878 NZD
View
B+
Retailer 11
-
$4,680 NZD
View
B+
Retailer 12
-
$4,828 NZD
View
B+
Retailer 13
-
$5,251 NZD
View
B+
Retailer 14
-
$6,308 NZD
View
B+
Retailer 15
-
$6,879 NZD
View
B+
Retailer 16
-
$7,087 NZD
View
Most Expensive
Brilliant Earth
21385665A · Oct 8
$11,634 NZD
$6,540 USD
View
Price last confirmed 28 days ago
16 more retailers have this diamond
Prices start from $1,754 NZDSave up to $5,333 NZD

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
2.45ct Heart
$1,754 NZD