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Heart|Lab Grown|IGI

1.45ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG653454303

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG653454303

Diamond specifications and retailer prices

From $455 NZD
As of November 4, 2026
Save $1,835 NZD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,290 NZD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.45ct lab-grown heart diamond

This 1.45ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG653454303 or 653454303. Listed at 20 retailers as of November 4, 2026, with prices from $455 to $2,290, a $1,835 spread on the same certified stone. Reve Diamonds lists it at $2,290. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653454303
Dimensions6.75 × 7.84 × 4.65 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
6.75 mm7.84 mm1.45 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653454303
Side View
Table 61.0%Crown 42.2°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 59.3%

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: $671 NZD|Low: $455 NZD|High: $2,423 NZD|Avg: $1,067 NZD|-16.8%
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
Reve Diamonds
November 5, 2026
Retailer 16$455 NZD
Retailer 7$482 NZD
Retailer 5$569 NZD
Retailer 8$598 NZD
Retailer 1$671 NZD
Retailer 3$680 NZD
Retailer 12$873 NZD
Retailer 6$934 NZD
Retailer 9$936 NZD
Retailer 14$950 NZD
Retailer 13$1,142 NZD
Retailer 11$1,236 NZD
Retailer 2$1,633 NZD
Retailer 4$1,633 NZD
Retailer 15$1,718 NZD
Retailer 10$2,021 NZD
Reve Diamonds$2,290 NZD

39 data points across 17 retailers

20 retailers$455 NZD to $2,290 NZD

A
Cheapest Retailer
-
$455 NZD
Final sale: no returns
Retailer 2
-
$482 NZD
View
Price last confirmed 19 days ago
Retailer 3
-
$559 NZD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$569 NZD
View
Retailer 5
-
$598 NZD
View
Price last confirmed 21 days ago
Retailer 6
-
$598 NZD
View
Price last confirmed 20 days ago
A
Retailer 7
-
$671 NZD
View
B+
Retailer 8
-
$680 NZD
View
A
Retailer 9
-
$873 NZD
View
Retailer 10
-
$934 NZD
View
Price last confirmed 13 days ago
A
Retailer 11
-
$936 NZD
View
A
Retailer 12
-
$950 NZD
View
B+
Retailer 13
-
$1,142 NZD
View
B+
Retailer 14
-
$1,236 NZD
View
B+
Retailer 15
-
$1,633 NZD
View
B
Retailer 16
-
$1,633 NZD
View
B
Retailer 17
-
$1,718 NZD
View
Retailer 18
-
$1,921 NZD
View
Price last confirmed 20 days ago
B
Retailer 19
-
$2,021 NZD
View
Most Expensive
B
Reve Diamonds
9E98F8B63 · Nov 4
$2,290 NZD
$1,287 USD
View
19 more retailers have this diamond
Prices start from $455 NZDSave up to $1,835 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
1.45ct Heart
$455 NZD