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Heart|Lab Grown|IGI

1.45ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG645401107

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG645401107

Diamond specifications and retailer prices

From $397 NZD
$224 USD
As of October 30, 2026
Save $3,417 NZD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,815 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG645401107 or 645401107. Listed at 14 retailers as of October 30, 2026, with prices from $397 to $3,815, a $3,417 spread on the same certified stone. Do Amore Diamonds lists it at $3,815. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645401107
Dimensions7.04 × 7.99 × 4.46 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.04 mm7.99 mm1.45 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645401107
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 55.8%

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: $3,815 NZD|Low: $381 NZD|High: $3,939 NZD|Avg: $1,385 NZD|-3.2%
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
November 1, 2026
Retailer 17$397 NZD
Retailer 6$460 NZD
Retailer 16$460 NZD
Retailer 8$612 NZD
Retailer 5$727 NZD
Retailer 7$788 NZD
Retailer 4$839 NZD
Retailer 12$848 NZD
Retailer 10$1,008 NZD
Retailer 11$1,334 NZD
Retailer 15$1,588 NZD
Retailer 18$1,637 NZD
Retailer 14$1,739 NZD
Retailer 3$1,746 NZD
Retailer 13$2,105 NZD
Retailer 2$2,177 NZD
Retailer 9$2,260 NZD
Do Amore Diamonds$3,815 NZD

23 data points across 18 retailers

14 retailers$397 NZD to $3,815 NZD

A
Cheapest Retailer
-
$397 NZD
$224 USD
A
Retailer 2
-
$460 NZD
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$460 NZD
$259 USD
View
A
Retailer 4
-
$727 NZD
HK$3,200 HKD
View
A
Retailer 5
-
$839 NZD
$473 USD
View
A
Retailer 6
-
$848 NZD
$478 USD
View
Retailer 7
-
$1,334 NZD
A$1,157 AUD
View
Price last confirmed 7 days ago
B
Retailer 8
-
$1,588 NZD
$895 USD
View
Retailer 9
-
$1,637 NZD
A$1,419 AUD
View
Price last confirmed 24 days ago
B
Retailer 10
-
$1,739 NZD
$980 USD
View
B
Retailer 11
-
$1,746 NZD
$984 USD
View
B
Retailer 12
-
$2,105 NZD
SGD 1,603 SGD
View
B
Retailer 13
-
$2,177 NZD
£966 GBP
View
Most Expensive
B
Do Amore Diamonds
27-69EC3AB9D · Oct 31
$3,815 NZD
$2,150 USD
View
13 more retailers have this diamond
Prices start from $397 NZDSave up to $3,417 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
$397 NZD