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Heart|Lab Grown|IGI

0.50ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG630465866

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG630465866

Diamond specifications and retailer prices

From $190 NZD
$107 USD
As of October 30, 2026
Save $667 NZD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,958 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 0.5ct lab-grown heart diamond

This 0.5ct 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 LG630465866 or 630465866. Listed at 19 retailers as of October 30, 2026, with a 351% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.50
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630465866
Dimensions5.20 × 5.22 × 3.25 mm
L/W Ratio1.00
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
5.20 mm5.22 mm0.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630465866
Side View
Table 60.0%Crown 34.9°Girdle: MED-THKPavilion 41.5°Culet: NoneDepth 62.3%

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: Oct 30
Current: $1,958 NZD|Low: $181 NZD|High: $1,981 NZD|Avg: $536 NZD|-1.1%
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 11$190 NZD
Retailer 5$211 NZD
Retailer 12$250 NZD
Retailer 14$250 NZD
Retailer 13$319 NZD
Retailer 7$436 NZD
Retailer 9$444 NZD
Retailer 2$461 NZD
Retailer 6$515 NZD
Retailer 10$546 NZD
Retailer 8$566 NZD
Retailer 3$642 NZD
Retailer 4$857 NZD
MOH London$1,958 NZD

44 data points across 14 retailers

19 retailers$190 NZD to $857 NZD

A
Cheapest Retailer
-
$190 NZD
$107 USD
A
Retailer 2
-
$211 NZD
$119 USD
View
Final sale: no returns
A
Retailer 3
-
$220 NZD
$124 USD
View
A
Retailer 4
-
$250 NZD
$141 USD
View
Retailer 5
-
$250 NZD
$141 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$319 NZD
$180 USD
View
B+
Retailer 7
-
$436 NZD
€234 EUR
View
B+
Retailer 8
-
$444 NZD
$250 USD
View
B+
Retailer 9
-
$461 NZD
£205 GBP
View
B+
Retailer 10
-
$515 NZD
$290 USD
View
Retailer 11
-
$515 NZD
$290 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$546 NZD
$308 USD
View
Retailer 13
-
$551 NZD
$310 USD
View
Price last confirmed 39 days ago
B+
Retailer 14
-
$566 NZD
£251 GBP
View
B+
Retailer 15
-
$642 NZD
$362 USD
View
B
Retailer 16
-
$701 NZD
£311 GBP
View
B
Retailer 17
-
$754 NZD
$425 USD
View
B
Retailer 18
-
$857 NZD
$483 USD
View
Most Expensive
MOH London
LG630465866 · Nov 1
$1,958 NZD
£869 GBP
View
Price under review
18 more retailers have this diamond
Prices start from $190 NZDSave up to $667 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
0.50ct Heart
$190 NZD