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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 $290 NZD
As of November 6, 2026
Save $1,393 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,684 NZD 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 $290 to $1,684, a $1,393 spread on the same certified stone. MOH London lists it at $1,684. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,684 NZD|Low: $280 NZD|High: $1,707 NZD|Avg: $736 NZD|-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$290 NZD
Retailer 4$337 NZD
Retailer 6$361 NZD
Retailer 14$361 NZD
Retailer 8$429 NZD
Retailer 9$630 NZD
Retailer 5$633 NZD
Retailer 3$653 NZD
Retailer 2$685 NZD
Retailer 10$685 NZD
Retailer 7$801 NZD
Retailer 13$1,028 NZD
Retailer 15$1,160 NZD
Retailer 11$1,225 NZD
MOH London$1,684 NZD

45 data points across 15 retailers

15 retailers$290 NZD to $1,684 NZD

A
Cheapest Retailer
-
$290 NZD
A
Retailer 2
-
$337 NZD
View
Retailer 3
-
$361 NZD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$361 NZD
View
A
Retailer 5
-
$429 NZD
View
A
Retailer 6
-
$630 NZD
View
A
Retailer 7
-
$633 NZD
View
B+
Retailer 8
-
$653 NZD
View
B+
Retailer 9
-
$685 NZD
View
B+
Retailer 10
-
$685 NZD
View
B+
Retailer 11
-
$801 NZD
View
Retailer 12
-
$1,028 NZD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$1,160 NZD
View
B
Retailer 14
-
$1,225 NZD
View
Most Expensive
B
MOH London
LG818618919 · Nov 4
$1,684 NZD
£735 GBP
View
14 more retailers have this diamond
Prices start from $290 NZDSave up to $1,393 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
1.06ct Marquise
$290 NZD