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Heart|Lab Grown|IGI

0.52ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG783603133

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG783603133

Diamond specifications and retailer prices

From $179 NZD
$101 USD
As of October 30, 2026
Save $1,457 NZD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,636 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 0.52ct lab-grown heart diamond

This 0.52ct lab-grown heart sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783603133 or 783603133. Listed at 14 retailers as of October 30, 2026, with prices from $179 to $1,636, a $1,457 spread on the same certified stone. MOH London lists it at $1,636. 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

0.52
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783603133
Dimensions5.37 × 5.19 × 3.12 mm
L/W Ratio1.03
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
5.37 mm5.19 mm0.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG783603133
Side View
Table 62.0%Crown 34.4°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 58.1%

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: $1,636 NZD|Low: $176 NZD|High: $1,679 NZD|Avg: $510 NZD|-2.6%
MOH London
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
November 1, 2026
Retailer 4$179 NZD
Retailer 12$200 NZD
Retailer 11$208 NZD
Retailer 3$238 NZD
Retailer 6$238 NZD
Retailer 7$415 NZD
Retailer 2$429 NZD
Retailer 14$452 NZD
Retailer 8$515 NZD
Retailer 10$523 NZD
Retailer 9$537 NZD
Retailer 13$633 NZD
Retailer 5$715 NZD
MOH London$1,636 NZD

33 data points across 14 retailers

14 retailers$179 NZD to $1,636 NZD

A
Cheapest Retailer
-
$179 NZD
$101 USD
A
Retailer 2
-
$200 NZD
$113 USD
View
Final sale: no returns
A
Retailer 3
-
$208 NZD
$117 USD
View
Retailer 4
-
$238 NZD
$134 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$238 NZD
$134 USD
View
A
Retailer 6
-
$415 NZD
€223 EUR
View
B+
Retailer 7
-
$429 NZD
£191 GBP
View
B+
Retailer 8
-
$452 NZD
$255 USD
View
B+
Retailer 9
-
$515 NZD
$290 USD
View
B+
Retailer 10
-
$523 NZD
$295 USD
View
B+
Retailer 11
-
$537 NZD
£238 GBP
View
B+
Retailer 12
-
$633 NZD
$357 USD
View
B
Retailer 13
-
$715 NZD
$403 USD
View
Most Expensive
B
MOH London
LG783603133 · Nov 1
$1,636 NZD
£726 GBP
View
13 more retailers have this diamond
Prices start from $179 NZDSave up to $1,457 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
0.52ct Heart
$179 NZD