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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG819697916

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG819697916

Diamond specifications and retailer prices

From $288 AUD
$202 USD
As of October 30, 2026
Save $1,777 AUD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,064 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG819697916 or 819697916. Listed at 11 retailers as of October 30, 2026, with prices from $288 to $2,064, a $1,777 spread on the same certified stone. Brilliant Earth lists it at $2,064. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819697916
Dimensions10.45 × 5.52 × 3.34 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.45 mm5.52 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819697916
Side View
Table 57.0%Crown 31.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 30
Current: $2,064 AUD|Low: $288 AUD|High: $3,744 AUD|Avg: $1,086 AUD|-44.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$288 AUD
Retailer 8$333 AUD
Retailer 7$619 AUD
Retailer 5$695 AUD
Retailer 11$701 AUD
Retailer 10$872 AUD
Retailer 4$944 AUD
Retailer 6$1,146 AUD
Retailer 2$1,667 AUD
Retailer 3$1,836 AUD
Brilliant Earth$2,064 AUD

30 data points across 11 retailers

11 retailers$288 AUD to $2,064 AUD

A+
Cheapest Retailer
-
$288 AUD
$202 USD
A
Retailer 2
-
$333 AUD
$234 USD
View
A
Retailer 3
-
$619 AUD
$435 USD
View
A
Retailer 4
-
$695 AUD
$488 USD
View
Retailer 5
-
$701 AUD
€469 EUR
View
Price last confirmed 7 days ago
A
Retailer 6
-
$872 AUD
View
B+
Retailer 7
-
$944 AUD
$663 USD
View
B+
Retailer 8
-
$1,146 AUD
$805 USD
View
B
Retailer 9
-
$1,667 AUD
£922 GBP
View
B
Retailer 10
-
$1,836 AUD
$1,290 USD
View
Most Expensive
B
Brilliant Earth
20983902A · Oct 31
$2,064 AUD
$1,450 USD
View
10 more retailers have this diamond
Prices start from $288 AUDSave up to $1,777 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+
1.05ct Marquise
$288 AUD