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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 £75 GBP
$101 USD
As of October 30, 2026
Save £616 GBP (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £691 GBP 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 £75 to £691, a £616 spread on the same certified stone. MOH London lists it at £691. 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: £691 GBP|Low: £74 GBP|High: £706 GBP|Avg: £215 GBP|-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 31, 2026
Retailer 4£75 GBP
Retailer 12£84 GBP
Retailer 11£87 GBP
Retailer 3£100 GBP
Retailer 6£100 GBP
Retailer 8£176 GBP
Retailer 2£182 GBP
Retailer 14£190 GBP
Retailer 7£216 GBP
Retailer 10£220 GBP
Retailer 9£226 GBP
Retailer 13£266 GBP
Retailer 5£301 GBP
MOH London£691 GBP

32 data points across 14 retailers

14 retailers£75 GBP to £691 GBP

A
Cheapest Retailer
-
£75 GBP
$101 USD
A
Retailer 2
-
£84 GBP
$113 USD
View
Final sale: no returns
A
Retailer 3
-
£87 GBP
$117 USD
View
A
Retailer 4
-
£100 GBP
$134 USD
View
A
Retailer 5
-
£100 GBP
$134 USD
View
B+
Retailer 6
-
£176 GBP
€225 EUR
View
B+
Retailer 7
-
£182 GBP
View
B+
Retailer 8
-
£190 GBP
$255 USD
View
B+
Retailer 9
-
£216 GBP
$290 USD
View
B+
Retailer 10
-
£220 GBP
$295 USD
View
B+
Retailer 11
-
£226 GBP
View
B+
Retailer 12
-
£266 GBP
$357 USD
View
B
Retailer 13
-
£301 GBP
$403 USD
View
Most Expensive
B
MOH London
LG783603133 · Oct 29
£691 GBP
View
13 more retailers have this diamond
Prices start from £75 GBPSave up to £616 GBP

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
£75 GBP