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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 $101 USD
As of October 30, 2026
Save $825 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $926 USD at MOH London · As of October 29, 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 29, 2026, with prices from $101 to $926, a $825 spread on the same certified stone. MOH London lists it at $926. 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
Color
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

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: Oct 30
Current: $926 USD|Low: $99 USD|High: $946 USD|Avg: $288 USD|-2.1%
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
October 30, 2026
Retailer 4$101 USD
Retailer 12$113 USD
Retailer 11$117 USD
Retailer 3$134 USD
Retailer 6$134 USD
Retailer 8$236 USD
Retailer 7$244 USD
Retailer 14$255 USD
Retailer 2$290 USD
Retailer 10$295 USD
Retailer 9$303 USD
Retailer 13$357 USD
Retailer 5$403 USD
MOH London$926 USD

31 data points across 14 retailers

14 retailers$101 USD to $926 USD

A
Cheapest Retailer
-
$101 USD
A
Retailer 2
-
$113 USD
View
Final sale: no returns
A
Retailer 3
-
$117 USD
View
A
Retailer 4
-
$134 USD
View
A
Retailer 5
-
$134 USD
View
B+
Retailer 6
-
$236 USD
€225 EUR
View
B+
Retailer 7
-
$244 USD
£192 GBP
View
B+
Retailer 8
-
$255 USD
View
B+
Retailer 9
-
$290 USD
View
B+
Retailer 10
-
$295 USD
View
B+
Retailer 11
-
$303 USD
£238 GBP
View
B+
Retailer 12
-
$357 USD
View
B
Retailer 13
-
$403 USD
View
Most Expensive
B
MOH London
LG783603133 · Oct 29
$926 USD
£729 GBP
View
13 more retailers have this diamond
Prices start from $101 USDSave up to $825 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
0.52ct Heart
$101 USD