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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 $118 AUD
$83 USD
As of October 23, 2026
Save $961 AUD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,079 AUD 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 23, 2026, with prices from $118 to $1,079, a $961 spread on the same certified stone. MOH London lists it at $1,079. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 23
Current: $1,079 AUD|Low: $114 AUD|High: $1,101 AUD|Avg: $365 AUD|-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$118 AUD
Retailer 4$131 AUD
Retailer 9$137 AUD
Retailer 12$157 AUD
Retailer 5$228 AUD
Retailer 8$248 AUD
Retailer 7$282 AUD
Retailer 13$309 AUD
Retailer 14$319 AUD
Retailer 3$375 AUD
Retailer 11$473 AUD
Retailer 6$478 AUD
Retailer 2$527 AUD
MOH London$1,079 AUD

40 data points across 14 retailers

15 retailers$118 AUD to $1,079 AUD

A
Cheapest Retailer
-
$118 AUD
$83 USD
A
Retailer 2
-
$137 AUD
$96 USD
View
Retailer 3
-
$157 AUD
$110 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$182 AUD
HK$1,000 HKD
View
A
Retailer 5
-
$228 AUD
$160 USD
View
A
Retailer 6
-
$248 AUD
£137 GBP
View
A
Retailer 7
-
$282 AUD
€189 EUR
View
B+
Retailer 8
-
$309 AUD
$217 USD
View
Retailer 9
-
$319 AUD
$224 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$375 AUD
£208 GBP
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$428 AUD
SGD 406 SGD
View
Retailer 12
-
$473 AUD
$332 USD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$478 AUD
$336 USD
View
B
Retailer 14
-
$527 AUD
$370 USD
View
Most Expensive
B
MOH London
LG805672502 · Oct 25
$1,079 AUD
£597 GBP
View
14 more retailers have this diamond
Prices start from $118 AUDSave up to $961 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.

A
0.50ct Marquise
$118 AUD