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Heart|Lab Grown|IGI

1.52ct D SI1 Heart Lab Grown Diamond

EX • D/SI1 • IGI LG628453643

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG628453643

Diamond specifications and retailer prices

From $377 NZD
As of November 6, 2026
Save $3,249 NZD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,626 NZD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.52ct lab-grown heart diamond

This 1.52ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG628453643 or 628453643. Listed at 14 retailers as of November 6, 2026, with prices from $377 to $3,626, a $3,249 spread on the same certified stone. Do Amore Diamonds lists it at $3,626. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.52
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628453643
Dimensions6.99 × 8.11 × 4.66 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.Type IIa
Top View
6.99 mm8.11 mm1.52 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628453643
Side View
Table 59.0%Crown 35.1°Girdle: MED-THKPavilion 41.6°Culet: NoneDepth 57.5%

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 6
Current: $3,626 NZD|Low: $363 NZD|High: $4,113 NZD|Avg: $1,206 NZD|-11.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 8$377 NZD
Retailer 3$422 NZD
Retailer 11$437 NZD
Retailer 9$467 NZD
Retailer 12$467 NZD
Retailer 2$954 NZD
Retailer 6$1,052 NZD
Retailer 4$1,064 NZD
Retailer 7$1,508 NZD
Retailer 10$1,658 NZD
Retailer 5$2,062 NZD
Do Amore Diamonds$3,626 NZD

45 data points across 12 retailers

14 retailers$377 NZD to $3,626 NZD

A
Cheapest Retailer
-
$377 NZD
A
Retailer 2
-
$422 NZD
View
Final sale: no returns
A
Retailer 3
-
$437 NZD
View
A
Retailer 4
-
$467 NZD
View
Retailer 5
-
$467 NZD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$628 NZD
View
A
Retailer 7
-
$702 NZD
View
B+
Retailer 8
-
$954 NZD
View
B+
Retailer 9
-
$1,052 NZD
View
B+
Retailer 10
-
$1,064 NZD
View
B
Retailer 11
-
$1,508 NZD
View
B
Retailer 12
-
$1,658 NZD
View
B
Retailer 13
-
$2,062 NZD
View
Most Expensive
B
Do Amore Diamonds
27-452593586 · Nov 6
$3,626 NZD
$2,010 USD
View
13 more retailers have this diamond
Prices start from $377 NZDSave up to $3,249 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
1.52ct Heart
$377 NZD