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Marquise|Lab Grown|IGI

2.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG818629999

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818629999

Diamond specifications and retailer prices

From $1,323 AUD
$929 USD
As of October 30, 2026
Save $10,422 AUD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $11,745 AUD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 2.05ct lab-grown marquise diamond

This 2.05ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818629999 or 818629999. Listed at 22 retailers as of October 30, 2026, with prices from $1,323 to $11,745, a $10,422 spread on the same certified stone. Do Amore Diamonds lists it at $11,745. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.05
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818629999
Dimensions13.34 × 6.73 × 4.09 mm
L/W Ratio1.98
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
13.34 mm6.73 mm2.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818629999
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.8%

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: Oct 30
Current: $11,745 AUD|Low: $1,323 AUD|High: $11,745 AUD|Avg: $4,651 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
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Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
November 2, 2026
Retailer 3$1,323 AUD
Retailer 21$1,439 AUD
Retailer 11$1,481 AUD
Retailer 5$1,535 AUD
Retailer 18$1,787 AUD
Retailer 10$2,040 AUD
Retailer 2$2,443 AUD
Retailer 12$2,460 AUD
Retailer 6$3,176 AUD
Retailer 20$3,269 AUD
Retailer 14$3,551 AUD
Retailer 15$4,022 AUD
Retailer 19$4,093 AUD
Retailer 17$4,371 AUD
Retailer 8$4,686 AUD
Retailer 4$4,800 AUD
Retailer 13$5,746 AUD
Retailer 7$5,970 AUD
Retailer 9$6,028 AUD
Retailer 16$10,504 AUD
Do Amore Diamonds$11,745 AUD

43 data points across 21 retailers

22 retailers$1,323 AUD to $11,745 AUD

A
Cheapest Retailer
-
$1,323 AUD
$929 USD
A
Retailer 2
-
$1,439 AUD
$1,011 USD
View
A
Retailer 3
-
$1,481 AUD
$1,040 USD
View
Final sale: no returns
A
Retailer 4
-
$1,535 AUD
$1,078 USD
View
A
Retailer 5
-
$1,787 AUD
$1,255 USD
View
A
Retailer 6
-
$2,040 AUD
$1,433 USD
View
A
Retailer 7
-
$2,443 AUD
£1,351 GBP
View
A
Retailer 8
-
$2,460 AUD
$1,728 USD
View
A
Retailer 9
-
$3,176 AUD
$2,231 USD
View
A
Retailer 10
-
$3,269 AUD
$2,296 USD
View
A
Retailer 11
-
$3,551 AUD
View
B+
Retailer 12
-
$4,022 AUD
View
B+
Retailer 13
-
$4,093 AUD
$2,875 USD
View
B+
Retailer 14
-
$4,371 AUD
ZAR 49,598 ZAR
View
B+
Retailer 15
-
$4,686 AUD
£2,592 GBP
View
B+
Retailer 16
-
$4,800 AUD
$3,372 USD
View
B+
Retailer 17
-
$5,746 AUD
£3,178 GBP
View
B+
Retailer 18
-
$5,970 AUD
SGD 5,667 SGD
View
B+
Retailer 19
-
$6,028 AUD
$4,234 USD
View
B
Retailer 20
-
$6,705 AUD
$4,710 USD
View
B
Retailer 21
-
$10,504 AUD
View
Most Expensive
B
Do Amore Diamonds
27-57A7D4673 · Nov 1
$11,745 AUD
$8,250 USD
View
21 more retailers have this diamond
Prices start from $1,323 AUDSave up to $10,422 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
2.05ct Marquise
$1,323 AUD