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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 £80 GBP
$107 USD
As of October 30, 2026
Save £280 GBP (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £827 GBP 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
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: £827 GBP|Low: £67 GBP|High: £833 GBP|Avg: £225 GBP|-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£80 GBP
Retailer 5£89 GBP
Retailer 12£105 GBP
Retailer 14£105 GBP
Retailer 13£134 GBP
Retailer 2£183 GBP
Retailer 9£187 GBP
Retailer 7£195 GBP
Retailer 6£216 GBP
Retailer 10£230 GBP
Retailer 8£238 GBP
Retailer 3£270 GBP
Retailer 4£360 GBP
MOH London£827 GBP

44 data points across 14 retailers

19 retailers£80 GBP to £360 GBP

A
Cheapest Retailer
-
£80 GBP
$107 USD
A
Retailer 2
-
£89 GBP
$119 USD
View
Final sale: no returns
A
Retailer 3
-
£93 GBP
$124 USD
View
A
Retailer 4
-
£105 GBP
$141 USD
View
A
Retailer 5
-
£105 GBP
$141 USD
View
A
Retailer 6
-
£134 GBP
$180 USD
View
B+
Retailer 7
-
£183 GBP
€234 EUR
View
B+
Retailer 8
-
£187 GBP
$250 USD
View
B+
Retailer 9
-
£195 GBP
View
B+
Retailer 10
-
£216 GBP
$290 USD
View
Retailer 11
-
£216 GBP
$290 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
£230 GBP
$308 USD
View
Retailer 13
-
£232 GBP
$310 USD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
£238 GBP
View
B+
Retailer 15
-
£270 GBP
$362 USD
View
B
Retailer 16
-
£295 GBP
View
B
Retailer 17
-
£317 GBP
$425 USD
View
B
Retailer 18
-
£360 GBP
$483 USD
View
Most Expensive
MOH London
LG630465866 · Oct 29
£827 GBP
View
Price under review
18 more retailers have this diamond
Prices start from £80 GBPSave up to £280 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
0.50ct Heart
£80 GBP