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Round|Lab Grown|IGI

0.50ct I SI1 Round Lab Grown Diamond

VG • I/SI1 • IGI LG425066218

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425066218

Diamond specifications and retailer prices

From €242 EUR
$270 USD
As of November 1, 2026
Save €958 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,199 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.5ct lab-grown round diamond

This 0.5ct lab-grown round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG425066218 or 425066218. Listed at 11 retailers as of November 1, 2026, with prices from €242 to €1,199, a €958 spread on the same certified stone. MOH London lists it at €1,199. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425066218
Dimensions4.99 × 4.94 × 3.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.99 mm4.94 mm0.50 ctI / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425066218
Side View
Table 55.5%Crown 37.2°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,199 EUR|Low: €232 EUR|High: €1,214 EUR|Avg: €490 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6€242 EUR
Retailer 4€254 EUR
Retailer 10€270 EUR
Retailer 11€280 EUR
Retailer 7€286 EUR
Retailer 8€299 EUR
Retailer 12€443 EUR
Retailer 9€497 EUR
Retailer 2€561 EUR
Retailer 3€613 EUR
Retailer 5€919 EUR
MOH London€1,199 EUR

19 data points across 12 retailers

11 retailers€242 EUR to €1,199 EUR

B+
Cheapest Retailer
-
€242 EUR
$270 USD
B+
Retailer 2
-
€270 EUR
$302 USD
View
Final sale: no returns
B+
Retailer 3
-
€280 EUR
$313 USD
View
B+
Retailer 4
-
€286 EUR
$320 USD
View
B+
Retailer 5
-
€299 EUR
$334 USD
View
Retailer 6
-
€299 EUR
$334 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
€497 EUR
$555 USD
View
B
Retailer 8
-
€561 EUR
View
B
Retailer 9
-
€919 EUR
$1,027 USD
View
B
Retailer 10
-
€962 EUR
$1,075 USD
View
Most Expensive
B
MOH London
LG425066218 · Nov 1
€1,199 EUR
£1,055 GBP
View
10 more retailers have this diamond
Prices start from €242 EURSave up to €958 EUR

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.

B+
0.50ct Round
€242 EUR