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Marquise|Lab Grown|GCAL

1.80ct E IF Marquise Lab Grown Diamond

EX • E/IF • GCAL 353406004

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 353406004

Diamond specifications and retailer prices

From $2,306 AUD
$1,620 USD
As of October 30, 2026
Save $10,480 AUD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $18,663 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 353406004. Listed at 14 retailers as of October 30, 2026, with a 454% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 353406004
Dimensions12.23 × 6.59 × 4.01 mm
L/W Ratio1.86
Culet sizeNone
Top View
12.23 mm6.59 mm1.80 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 353406004
Side View
Table 58.0%Crown 34.5°Girdle: THN-MEDPavilion 40°Culet: NoneDepth 60.8%

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: Oct 30
Current: $18,663 AUD|Low: $1,875 AUD|High: $21,127 AUD|Avg: $7,839 AUD
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
November 1, 2026
Retailer 7$1,875 AUD
Retailer 3$2,306 AUD
Retailer 14$4,662 AUD
Retailer 6$4,763 AUD
Retailer 13$5,072 AUD
Retailer 15$5,220 AUD
Retailer 4$5,337 AUD
Retailer 9$5,408 AUD
Retailer 5$6,386 AUD
Retailer 10$6,534 AUD
Retailer 12$6,534 AUD
Retailer 8$6,818 AUD
Retailer 11$7,460 AUD
Retailer 2$12,786 AUD
Do Amore Diamonds$18,663 AUD
Retailer 16$21,048 AUD

30 data points across 16 retailers

14 retailers$2,306 AUD to $12,786 AUD

A
Cheapest Retailer
-
$2,306 AUD
$1,620 USD
B+
Retailer 2
-
$4,662 AUD
$3,275 USD
View
B+
Retailer 3
-
$4,763 AUD
$3,346 USD
View
B+
Retailer 4
-
$5,072 AUD
$3,563 USD
View
B+
Retailer 5
-
$5,220 AUD
$3,667 USD
View
Final sale: no returns
B+
Retailer 6
-
$5,408 AUD
$3,799 USD
View
B
Retailer 7
-
$6,386 AUD
CA$6,230 CAD
View
B
Retailer 8
-
$6,534 AUD
$4,590 USD
View
B
Retailer 9
-
$6,534 AUD
$4,590 USD
View
B
Retailer 10
-
$6,722 AUD
$4,722 USD
View
B
Retailer 11
-
$7,460 AUD
$5,240 USD
View
B
Retailer 12
-
$12,786 AUD
£7,072 GBP
View
Most Expensive
Do Amore Diamonds
32-353406004 · Nov 1
$18,663 AUD
$13,110 USD
View
Price under review
12 more retailers have this diamond
Prices start from $2,306 AUDSave up to $10,480 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
$2,306 AUD