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Marquise|Lab Grown|IGI

0.50ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG786609188

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786609188

Diamond specifications and retailer prices

From $421 AUD
$295 USD
As of November 1, 2026
Save $1,045 AUD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,830 AUD at MOH London · As of November 1, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786609188 or 786609188. Listed at 5 retailers as of October 31, 2026, with a 248% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.50
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786609188
Dimensions8.44 × 4.23 × 2.50 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
8.44 mm4.23 mm0.50 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG786609188
Side View
Table 60.0%Crown 32.9°Girdle: MED-STKPavilion 39°Culet: NoneDepth 59.1%

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: $1,830 AUD|Low: $370 AUD|High: $1,830 AUD|Avg: $741 AUD|+3.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$370 AUD
Retailer 5$421 AUD
Retailer 2$452 AUD
Retailer 3$529 AUD
Retailer 7$586 AUD
Retailer 4$1,466 AUD
MOH London$1,830 AUD

16 data points across 7 retailers

5 retailers$421 AUD to $1,466 AUD

B+
Cheapest Retailer
-
$421 AUD
$295 USD
B+
Retailer 2
-
$452 AUD
£249 GBP
View
B+
Retailer 3
-
$529 AUD
£292 GBP
View
B
Retailer 4
-
$1,466 AUD
$1,027 USD
View
Most Expensive
MOH London
LG786609188 · Nov 1
$1,830 AUD
£1,010 GBP
View
Price under review
4 more retailers have this diamond
Prices start from $421 AUDSave up to $1,045 AUD

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 Marquise
$421 AUD