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Marquise|Lab Grown|IGI

0.50ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436047602

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047602

Diamond specifications and retailer prices

From $533 NZD
$300 USD
As of November 2, 2026
Save $2,114 NZD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,648 NZD 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047602 or 436047602. Listed at 12 retailers as of November 1, 2026, with prices from $533 to $2,648, a $2,114 spread on the same certified stone. MOH London lists it at $2,648. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047602
Dimensions7.80 × 4.34 × 2.66 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.80 mm4.34 mm0.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436047602
Side View
Table 63.0%Crown 34.1°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 61.3%

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 2
Current: $2,648 NZD|Low: $512 NZD|High: $2,679 NZD|Avg: $1,311 NZD
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 11$533 NZD
Retailer 2$569 NZD
Retailer 3$595 NZD
Retailer 8$599 NZD
Retailer 15$619 NZD
Retailer 12$661 NZD
Retailer 16$661 NZD
Retailer 5$942 NZD
Retailer 14$1,081 NZD
Retailer 9$1,211 NZD
Retailer 6$1,305 NZD
Retailer 10$2,030 NZD
Retailer 13$2,124 NZD
Retailer 4$2,522 NZD
MOH London$2,648 NZD
Retailer 7$2,654 NZD

21 data points across 16 retailers

12 retailers$533 NZD to $2,648 NZD

A
Cheapest Retailer
-
$533 NZD
$300 USD
A
Retailer 2
-
$569 NZD
$320 USD
View
B+
Retailer 3
-
$595 NZD
$335 USD
View
Final sale: no returns
B+
Retailer 4
-
$619 NZD
$348 USD
View
Retailer 5
-
$661 NZD
$372 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$661 NZD
$372 USD
View
B
Retailer 7
-
$1,081 NZD
$608 USD
View
Retailer 8
-
$1,211 NZD
€649 EUR
View
Price last confirmed 8 days ago
B
Retailer 9
-
$2,030 NZD
$1,142 USD
View
B
Retailer 10
-
$2,124 NZD
$1,195 USD
View
B
Retailer 11
-
$2,522 NZD
$1,419 USD
View
Most Expensive
B
MOH London
LG436047602 · Nov 1
$2,648 NZD
£1,173 GBP
View
11 more retailers have this diamond
Prices start from $533 NZDSave up to $2,114 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
$533 NZD