Marquise|Lab Grown|IGI

1.01ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG830660463

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830660463

Diamond specifications and retailer prices

From $304 NZD
As of November 6, 2026
Save $1,274 NZD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,814 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.01ct lab-grown marquise diamond

This 1.01ct 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 LG830660463 or 830660463. Listed at 18 retailers as of November 2, 2026, with a 419% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle29.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830660463
Dimensions10.12 × 5.22 × 3.31 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.12 mm5.22 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG830660463
Side View
Table 52.0%Crown 29.9°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 63.4%

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: $1,814 NZD|Low: $304 NZD|High: $1,814 NZD|Avg: $897 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$304 NZD
Retailer 2$400 NZD
Retailer 6$459 NZD
Retailer 10$573 NZD
Retailer 4$582 NZD
Retailer 8$610 NZD
Retailer 7$640 NZD
Retailer 9$1,147 NZD
Retailer 3$1,183 NZD
Retailer 5$1,578 NZD
Brilliant Earth$1,814 NZD

40 data points across 11 retailers

18 retailers$304 NZD to $1,578 NZD

Retailer 1
-
$278 NZD
Price last confirmed 29 days ago
A
Retailer 2
-
$304 NZD
View
Final sale: no returns
Retailer 3
-
$322 NZD
View
Price last confirmed 38 days ago
Retailer 4
-
$345 NZD
View
Price last confirmed 25 days ago
Retailer 5
-
$345 NZD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$400 NZD
View
B+
Retailer 7
-
$459 NZD
View
A
Retailer 8
-
$573 NZD
View
A
Retailer 9
-
$582 NZD
View
Retailer 10
-
$589 NZD
View
Price last confirmed 24 days ago
Retailer 11
-
$610 NZD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$640 NZD
View
Retailer 13
-
$930 NZD
View
Price last confirmed 61 days ago
Retailer 14
-
$1,106 NZD
View
Price last confirmed 37 days ago
B
Retailer 15
-
$1,147 NZD
View
B
Retailer 16
-
$1,183 NZD
View
B
Retailer 17
-
$1,578 NZD
View
Most Expensive
Brilliant Earth
21109744A · Oct 28
$1,814 NZD
$1,020 USD
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from $304 NZDSave up to $1,274 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
1.01ct Marquise
$304 NZD