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Marquise|Lab Grown|IGI

3.01ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG831627355

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831627355

Diamond specifications and retailer prices

From $3,670 AUD
As of November 4, 2026
Save $11,180 AUD (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,850 AUD at Taylor and Hart · As of November 3, 2026
View at Taylor and Hart

About this 3.01ct lab-grown marquise diamond

This 3.01ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831627355 or 831627355. Listed at 18 retailers as of November 3, 2026, with prices from $3,670 to $14,850, a $11,180 spread on the same certified stone. Taylor and Hart lists it at $14,850. 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

3.01
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831627355
Dimensions15.67 × 7.48 × 4.54 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.67 mm7.48 mm3.01 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831627355
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.7%

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 4
Current: $6,631 AUD|Low: $3,670 AUD|High: $15,943 AUD|Avg: $7,396 AUD|-15.6%
Retailer 1
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
Taylor and Hart
November 4, 2026
Retailer 9$3,670 AUD
Retailer 6$4,006 AUD
Retailer 16$4,110 AUD
Retailer 3$4,257 AUD
Retailer 12$4,489 AUD
Retailer 13$4,764 AUD
Retailer 11$5,692 AUD
Retailer 10$5,852 AUD
Retailer 15$6,246 AUD
Retailer 1$6,631 AUD
Retailer 2$8,073 AUD
Retailer 8$8,642 AUD
Retailer 5$9,645 AUD
Retailer 14$9,916 AUD
Retailer 4$11,398 AUD
Retailer 7$11,407 AUD
Taylor and Hart$14,850 AUD

32 data points across 17 retailers

18 retailers$3,670 AUD to $14,850 AUD

A
Cheapest Retailer
-
$3,670 AUD
A
Retailer 2
-
$4,006 AUD
View
A
Retailer 3
-
$4,110 AUD
View
Final sale: no returns
A
Retailer 4
-
$4,257 AUD
View
Retailer 5
-
$4,333 AUD
View
Price last confirmed 23 days ago
A
Retailer 6
-
$4,489 AUD
View
A
Retailer 7
-
$4,764 AUD
View
A
Retailer 8
-
$5,692 AUD
View
A
Retailer 9
-
$5,852 AUD
View
A
Retailer 10
-
$6,246 AUD
View
A
Retailer 11
-
$6,631 AUD
View
B+
Retailer 12
-
$8,073 AUD
View
Retailer 13
-
$8,642 AUD
View
Price last confirmed 28 days ago
B+
Retailer 14
-
$9,645 AUD
View
B+
Retailer 15
-
$9,916 AUD
View
B+
Retailer 16
-
$11,398 AUD
View
B+
Retailer 17
-
$11,407 AUD
View
Most Expensive
B
Taylor and Hart
C1ZH72Y · Nov 3
$14,850 AUD
$10,371 USD
View
17 more retailers have this diamond
Prices start from $3,670 AUDSave up to $11,180 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
3.01ct Marquise
$3,670 AUD