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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 $227 NZD
HK$1,000 HKD
As of October 30, 2026
Save $1,118 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,345 NZD 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 $227 to $1,345, a $1,118 spread on the same certified stone. MOH London lists it at $1,345. 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 30
Current: $1,345 NZD|Low: $142 NZD|High: $1,372 NZD|Avg: $454 NZD|-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$147 NZD
Retailer 4$163 NZD
Retailer 9$170 NZD
Retailer 12$195 NZD
Retailer 5$284 NZD
Retailer 8$309 NZD
Retailer 7$352 NZD
Retailer 13$385 NZD
Retailer 14$397 NZD
Retailer 3$468 NZD
Retailer 11$589 NZD
Retailer 6$596 NZD
Retailer 2$656 NZD
MOH London$1,345 NZD

38 data points across 14 retailers

15 retailers$227 NZD to $1,345 NZD

Retailer 1
-
$147 NZD
$83 USD
Price last confirmed 8 days ago
Retailer 2
-
$170 NZD
$96 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$195 NZD
$110 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$227 NZD
HK$1,000 HKD
View
A
Retailer 5
-
$284 NZD
$160 USD
View
A
Retailer 6
-
$309 NZD
£137 GBP
View
A
Retailer 7
-
$352 NZD
€189 EUR
View
B+
Retailer 8
-
$385 NZD
$217 USD
View
Retailer 9
-
$397 NZD
$224 USD
View
Price last confirmed 13 days ago
Retailer 10
-
$468 NZD
£208 GBP
View
Price last confirmed 9 days ago
Retailer 11
-
$533 NZD
SGD 406 SGD
View
Price last confirmed 7 days ago
Retailer 12
-
$589 NZD
$332 USD
View
Price last confirmed 12 days ago
Retailer 13
-
$596 NZD
$336 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
$656 NZD
$370 USD
View
Most Expensive
B
MOH London
LG805672502 · Oct 25
$1,345 NZD
£597 GBP
View
14 more retailers have this diamond
Prices start from $227 NZDSave up to $1,118 NZD

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
$227 NZD