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Marquise|Lab Grown|IGI

0.81ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG816662571

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816662571

Diamond specifications and retailer prices

From $279 AUD
As of November 4, 2026
Save $2,474 AUD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,753 AUD at Diamond Exchange Canada · As of November 2, 2026
View at Diamond Exchange Canada

About this 0.81ct lab-grown marquise diamond

This 0.81ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG816662571 or 816662571. Listed at 23 retailers as of November 2, 2026, with prices from $279 to $2,753, a $2,474 spread on the same certified stone. Diamond Exchange Canada lists it at $2,753. 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

0.81
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816662571
Dimensions9.22 × 4.81 × 3.11 mm
L/W Ratio1.92
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
9.22 mm4.81 mm0.81 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816662571
Side View
Table 54.0%Crown 33.1°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 64.7%

Caratlytics Score

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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 4
Current: $2,753 AUD|Low: $279 AUD|High: $4,301 AUD|Avg: $1,317 AUD
Diamond Exchange Canada
Retailer 2
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November 4, 2026
Retailer 18$279 AUD
Retailer 11$314 AUD
Retailer 21$325 AUD
Retailer 3$348 AUD
Retailer 2$499 AUD
Retailer 23$577 AUD
Retailer 10$677 AUD
Retailer 5$698 AUD
Retailer 12$783 AUD
Retailer 9$844 AUD
Retailer 4$962 AUD
Retailer 17$1,173 AUD
Retailer 7$1,197 AUD
Retailer 19$1,232 AUD
Retailer 16$1,397 AUD
Retailer 15$1,470 AUD
Retailer 24$1,477 AUD
Retailer 6$1,542 AUD
Retailer 14$1,558 AUD
Retailer 20$1,685 AUD
Retailer 8$1,885 AUD
Retailer 13$1,967 AUD
Retailer 22$1,967 AUD
Diamond Exchange Canada$2,753 AUD

28 data points across 24 retailers

23 retailers$279 AUD to $2,753 AUD

A
Cheapest Retailer
-
$279 AUD
A
Retailer 2
-
$314 AUD
View
Final sale: no returns
A
Retailer 3
-
$325 AUD
View
A
Retailer 4
-
$348 AUD
View
A
Retailer 5
-
$499 AUD
View
A
Retailer 6
-
$577 AUD
View
A
Retailer 7
-
$677 AUD
View
A
Retailer 8
-
$698 AUD
View
A
Retailer 9
-
$783 AUD
View
B+
Retailer 10
-
$844 AUD
View
B+
Retailer 11
-
$962 AUD
View
B+
Retailer 12
-
$1,173 AUD
View
B+
Retailer 13
-
$1,197 AUD
View
B+
Retailer 14
-
$1,232 AUD
View
B
Retailer 15
-
$1,397 AUD
View
B+
Retailer 16
-
$1,477 AUD
View
B
Retailer 17
-
$1,542 AUD
View
Retailer 18
-
$1,558 AUD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$1,685 AUD
View
B
Retailer 20
-
$1,885 AUD
View
B
Retailer 21
-
$1,967 AUD
View
B
Retailer 22
-
$1,967 AUD
View
Most Expensive
B
Diamond Exchange Canada
1995491236 · Nov 2
$2,753 AUD
CA$2,682 CAD
View
22 more retailers have this diamond
Prices start from $279 AUDSave up to $2,474 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
0.81ct Marquise
$279 AUD