Marquise|Lab Grown|IGI

0.45ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG805671899

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805671899

Diamond specifications and retailer prices

From €126 EUR
HK$1,100 HKD
As of November 1, 2026
Save €630 EUR (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €756 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 0.45ct lab-grown marquise diamond

This 0.45ct lab-grown marquise sits in the sub-half-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805671899 or 805671899. Listed at 9 retailers as of October 26, 2026, with prices from €126 to €756, a €630 spread on the same certified stone. MOH London lists it at €756. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.45
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805671899
Dimensions8.03 × 4.01 × 2.38 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.03 mm4.01 mm0.45 ctG / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805671899
Side View
Table 57.0%Crown 31°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 59.4%

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: Nov 1
Current: €756 EUR|Low: €139 EUR|High: €764 EUR|Avg: €300 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 27, 2026
Retailer 4€170 EUR
Retailer 2€192 EUR
Retailer 5€193 EUR
Retailer 6€214 EUR
Retailer 3€281 EUR
Retailer 8€308 EUR
Retailer 7€383 EUR
MOH London€756 EUR

36 data points across 8 retailers

9 retailers€126 EUR to €756 EUR

A
Cheapest Retailer
-
€126 EUR
HK$1,100 HKD
A
Retailer 2
-
€170 EUR
$190 USD
View
A
Retailer 3
-
€192 EUR
£169 GBP
View
A
Retailer 4
-
€193 EUR
View
Retailer 5
-
€214 EUR
$239 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€281 EUR
£247 GBP
View
B+
Retailer 7
-
€308 EUR
$344 USD
View
B
Retailer 8
-
€383 EUR
$428 USD
View
Most Expensive
B
MOH London
LG805671899 · Oct 26
€756 EUR
£665 GBP
View
8 more retailers have this diamond
Prices start from €126 EURSave up to €630 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
0.45ct Marquise
€126 EUR