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Marquise|Lab Grown|IGI

1.06ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG818618919

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818618919

Diamond specifications and retailer prices

From $230 AUD
As of November 6, 2026
Save $1,103 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,333 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.06ct lab-grown marquise diamond

This 1.06ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818618919 or 818618919. Listed at 15 retailers as of November 4, 2026, with prices from $230 to $1,333, a $1,103 spread on the same certified stone. MOH London lists it at $1,333. 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

1.06
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818618919
Dimensions10.91 × 5.19 × 3.24 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.91 mm5.19 mm1.06 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818618919
Side View
Table 63.0%Crown 32.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.4%

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 6
Current: $1,333 AUD|Low: $221 AUD|High: $1,352 AUD|Avg: $583 AUD|-0.3%
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
November 6, 2026
Retailer 12$230 AUD
Retailer 4$267 AUD
Retailer 6$286 AUD
Retailer 14$286 AUD
Retailer 8$340 AUD
Retailer 9$499 AUD
Retailer 5$501 AUD
Retailer 3$517 AUD
Retailer 2$543 AUD
Retailer 10$543 AUD
Retailer 7$634 AUD
Retailer 13$814 AUD
Retailer 15$919 AUD
Retailer 11$970 AUD
MOH London$1,333 AUD

45 data points across 15 retailers

15 retailers$230 AUD to $1,333 AUD

A
Cheapest Retailer
-
$230 AUD
A
Retailer 2
-
$267 AUD
View
Retailer 3
-
$286 AUD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$286 AUD
View
A
Retailer 5
-
$340 AUD
View
A
Retailer 6
-
$499 AUD
View
A
Retailer 7
-
$501 AUD
View
B+
Retailer 8
-
$517 AUD
View
B+
Retailer 9
-
$543 AUD
View
Retailer 10
-
$543 AUD
View
B+
Retailer 11
-
$634 AUD
View
Retailer 12
-
$814 AUD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$919 AUD
View
B
Retailer 14
-
$970 AUD
View
Most Expensive
B
MOH London
LG818618919 · Nov 4
$1,333 AUD
£735 GBP
View
14 more retailers have this diamond
Prices start from $230 AUDSave up to $1,103 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
1.06ct Marquise
$230 AUD