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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 $107 USD
As of October 30, 2026
Save $376 USD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,109 USD at MOH London · As of October 29, 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
Color
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: $1,109 USD|Low: $90 USD|High: $1,116 USD|Avg: $302 USD|-0.7%
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
October 31, 2026
Retailer 11$107 USD
Retailer 5$119 USD
Retailer 12$141 USD
Retailer 14$141 USD
Retailer 13$180 USD
Retailer 7$249 USD
Retailer 9$250 USD
Retailer 2$262 USD
Retailer 6$290 USD
Retailer 10$308 USD
Retailer 8$319 USD
Retailer 3$362 USD
Retailer 4$483 USD
MOH London$1,109 USD

45 data points across 14 retailers

19 retailers$107 USD to $483 USD

A
Cheapest Retailer
-
$107 USD
A
Retailer 2
-
$119 USD
View
Final sale: no returns
A
Retailer 3
-
$124 USD
View
A
Retailer 4
-
$141 USD
View
A
Retailer 5
-
$141 USD
View
A
Retailer 6
-
$180 USD
View
B+
Retailer 7
-
$249 USD
€237 EUR
View
B+
Retailer 8
-
$250 USD
View
B+
Retailer 9
-
$262 USD
£206 GBP
View
B+
Retailer 10
-
$290 USD
View
Retailer 11
-
$290 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$308 USD
View
Retailer 13
-
$310 USD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
$319 USD
£251 GBP
View
B+
Retailer 15
-
$362 USD
View
B
Retailer 16
-
$395 USD
£311 GBP
View
B
Retailer 17
-
$425 USD
View
B
Retailer 18
-
$483 USD
View
Most Expensive
MOH London
LG630465866 · Oct 29
$1,109 USD
£873 GBP
View
Price under review
18 more retailers have this diamond
Prices start from $107 USDSave up to $376 USD

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
$107 USD