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Marquise|Lab Grown|IGI

1.80ct D IF Marquise Lab Grown Diamond

D/IF • IGI LG768631844

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768631844

Diamond specifications and retailer prices

From $1,015 AUD
$713 USD
As of November 2, 2026
Save $7,996 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,011 AUD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown marquise diamond

This 1.8ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI LG768631844 or 768631844. Listed at 17 retailers as of November 1, 2026, with prices from $1,015 to $9,011, a $7,996 spread on the same certified stone. Do Amore Diamonds lists it at $9,011. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.80
Carat
D
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631844
Dimensions12.48 × 6.39 × 3.98 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
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
12.48 mm6.39 mm1.80 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631844
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 62.3%

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 2
Current: $9,011 AUD|Low: $994 AUD|High: $9,495 AUD|Avg: $3,211 AUD|-5.1%
Do Amore Diamonds
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
Retailer 17
November 1, 2026
Retailer 14$1,015 AUD
Retailer 4$1,103 AUD
Retailer 9$1,213 AUD
Retailer 16$1,407 AUD
Retailer 6$1,452 AUD
Retailer 8$1,713 AUD
Retailer 15$1,910 AUD
Retailer 13$2,118 AUD
Retailer 7$2,126 AUD
Retailer 17$2,898 AUD
Retailer 11$3,234 AUD
Retailer 5$3,451 AUD
Retailer 3$3,652 AUD
Retailer 2$4,869 AUD
Retailer 12$4,883 AUD
Retailer 10$6,596 AUD
Do Amore Diamonds$9,011 AUD

34 data points across 17 retailers

17 retailers$1,015 AUD to $9,011 AUD

A
Cheapest Retailer
-
$1,015 AUD
$713 USD
A
Retailer 2
-
$1,103 AUD
$775 USD
View
A
Retailer 3
-
$1,213 AUD
$852 USD
View
Final sale: no returns
A
Retailer 4
-
$1,407 AUD
$988 USD
View
A
Retailer 5
-
$1,452 AUD
$1,020 USD
View
A
Retailer 6
-
$1,713 AUD
$1,203 USD
View
A
Retailer 7
-
$1,910 AUD
$1,342 USD
View
A
Retailer 8
-
$2,118 AUD
€1,417 EUR
View
A
Retailer 9
-
$2,126 AUD
View
B+
Retailer 10
-
$2,898 AUD
$2,036 USD
View
B+
Retailer 11
-
$3,234 AUD
View
B
Retailer 12
-
$3,451 AUD
$2,424 USD
View
B+
Retailer 13
-
$3,652 AUD
$2,565 USD
View
B
Retailer 14
-
$4,869 AUD
£2,693 GBP
View
B
Retailer 15
-
$4,883 AUD
$3,430 USD
View
B
Retailer 16
-
$6,596 AUD
View
Most Expensive
B
Do Amore Diamonds
27-745D341DE · Nov 1
$9,011 AUD
$6,330 USD
View
16 more retailers have this diamond
Prices start from $1,015 AUDSave up to $7,996 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
1.80ct Marquise
$1,015 AUD