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 $152 AUD
$107 USD
As of October 30, 2026
Save $535 AUD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,571 AUD 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: $1,571 AUD|Low: $128 AUD|High: $1,589 AUD|Avg: $430 AUD|-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$152 AUD
Retailer 5$169 AUD
Retailer 12$201 AUD
Retailer 14$201 AUD
Retailer 13$256 AUD
Retailer 7$350 AUD
Retailer 9$356 AUD
Retailer 2$370 AUD
Retailer 6$413 AUD
Retailer 10$438 AUD
Retailer 8$454 AUD
Retailer 3$515 AUD
Retailer 4$687 AUD
MOH London$1,571 AUD

45 data points across 14 retailers

19 retailers$152 AUD to $687 AUD

A
Cheapest Retailer
-
$152 AUD
$107 USD
A
Retailer 2
-
$169 AUD
$119 USD
View
Final sale: no returns
A
Retailer 3
-
$177 AUD
$124 USD
View
A
Retailer 4
-
$201 AUD
$141 USD
View
A
Retailer 5
-
$201 AUD
$141 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$256 AUD
$180 USD
View
B+
Retailer 7
-
$350 AUD
€234 EUR
View
B+
Retailer 8
-
$356 AUD
$250 USD
View
B+
Retailer 9
-
$370 AUD
£205 GBP
View
B+
Retailer 10
-
$413 AUD
$290 USD
View
Retailer 11
-
$413 AUD
$290 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$438 AUD
$308 USD
View
Retailer 13
-
$442 AUD
$310 USD
View
Price last confirmed 39 days ago
B+
Retailer 14
-
$454 AUD
£251 GBP
View
B+
Retailer 15
-
$515 AUD
$362 USD
View
B
Retailer 16
-
$562 AUD
£311 GBP
View
B
Retailer 17
-
$605 AUD
$425 USD
View
B
Retailer 18
-
$687 AUD
$483 USD
View
Most Expensive
MOH London
LG630465866 · Nov 1
$1,571 AUD
£869 GBP
View
Price under review
18 more retailers have this diamond
Prices start from $152 AUDSave up to $535 AUD

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
$152 AUD