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Marquise|Lab Grown|IGI

0.50ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG805672502

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805672502

Diamond specifications and retailer prices

From €115 EUR
HK$1,000 HKD
As of October 30, 2026
Save €564 EUR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €679 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 0.5ct lab-grown marquise diamond

This 0.5ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805672502 or 805672502. Listed at 15 retailers as of October 25, 2026, with prices from €115 to €679, a €564 spread on the same certified stone. MOH London lists it at €679. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.6°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805672502
Dimensions8.03 × 4.31 × 2.51 mm
L/W Ratio1.86
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.03 mm4.31 mm0.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805672502
Side View
Table 59.0%Crown 32.6°Girdle: VTN-MEDPavilion 38.2°Culet: NoneDepth 58.2%

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: €679 EUR|Low: €72 EUR|High: €692 EUR|Avg: €229 EUR|-1.0%
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 27, 2026
Retailer 10€74 EUR
Retailer 4€82 EUR
Retailer 9€86 EUR
Retailer 12€98 EUR
Retailer 5€143 EUR
Retailer 8€156 EUR
Retailer 7€178 EUR
Retailer 13€194 EUR
Retailer 14€201 EUR
Retailer 3€236 EUR
Retailer 11€297 EUR
Retailer 6€301 EUR
Retailer 2€331 EUR
MOH London€679 EUR

38 data points across 14 retailers

15 retailers€115 EUR to €679 EUR

Retailer 1
-
€74 EUR
$83 USD
Price last confirmed 8 days ago
Retailer 2
-
€86 EUR
$96 USD
View
Price last confirmed 7 days ago
Retailer 3
-
€98 EUR
$110 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
€115 EUR
HK$1,000 HKD
View
A
Retailer 5
-
€143 EUR
$160 USD
View
A
Retailer 6
-
€156 EUR
£137 GBP
View
A
Retailer 7
-
€178 EUR
View
B+
Retailer 8
-
€194 EUR
$217 USD
View
Retailer 9
-
€201 EUR
$224 USD
View
Price last confirmed 14 days ago
Retailer 10
-
€236 EUR
£208 GBP
View
Price last confirmed 9 days ago
Retailer 11
-
€269 EUR
SGD 406 SGD
View
Price last confirmed 8 days ago
Retailer 12
-
€297 EUR
$332 USD
View
Price last confirmed 12 days ago
Retailer 13
-
€301 EUR
$336 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
€331 EUR
$370 USD
View
Most Expensive
B
MOH London
LG805672502 · Oct 25
€679 EUR
£597 GBP
View
14 more retailers have this diamond
Prices start from €115 EURSave up to €564 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.

A
0.50ct Marquise
€115 EUR