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Marquise|Lab Grown|IGI

3.20ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG802606950

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG802606950

Diamond specifications and retailer prices

From $3,546 AUD
$2,491 USD
As of October 30, 2026
Save $10,809 AUD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $14,355 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.2ct lab-grown marquise diamond

This 3.2ct 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 LG802606950 or 802606950. Listed at 21 retailers as of October 30, 2026, with prices from $3,546 to $14,355, a $10,809 spread on the same certified stone. Taylor and Hart lists it at $14,355. 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

3.20
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802606950
Dimensions15.69 × 7.51 × 4.69 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.69 mm7.51 mm3.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802606950
Side View
Table 60.0%Crown 37.1°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 62.5%

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: $11,014 AUD|Low: $3,546 AUD|High: $17,553 AUD|Avg: $7,763 AUD|-4.9%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Taylor and Hart
November 1, 2026
Retailer 7$3,546 AUD
Retailer 3$3,858 AUD
Retailer 2$3,970 AUD
Retailer 18$4,114 AUD
Retailer 13$4,342 AUD
Retailer 19$4,342 AUD
Retailer 11$4,756 AUD
Retailer 14$4,895 AUD
Retailer 10$5,156 AUD
Retailer 15$5,508 AUD
Retailer 9$5,622 AUD
Retailer 20$5,655 AUD
Retailer 8$6,412 AUD
Retailer 6$6,819 AUD
Retailer 4$7,810 AUD
Retailer 12$9,289 AUD
Retailer 17$9,553 AUD
Retailer 5$10,984 AUD
Retailer 1$11,014 AUD
Retailer 16$13,154 AUD
Taylor and Hart$14,355 AUD

36 data points across 21 retailers

21 retailers$3,546 AUD to $14,355 AUD

A
Cheapest Retailer
-
$3,546 AUD
$2,491 USD
A
Retailer 2
-
$3,858 AUD
$2,710 USD
View
A
Retailer 3
-
$3,970 AUD
$2,789 USD
View
Final sale: no returns
A
Retailer 4
-
$4,114 AUD
$2,890 USD
View
A
Retailer 5
-
$4,342 AUD
$3,050 USD
View
A
Retailer 6
-
$4,342 AUD
$3,050 USD
View
A
Retailer 7
-
$4,756 AUD
HK$26,100 HKD
View
A
Retailer 8
-
$4,895 AUD
£2,707 GBP
View
A
Retailer 9
-
$5,156 AUD
$3,622 USD
View
A
Retailer 10
-
$5,508 AUD
£3,047 GBP
View
A
Retailer 11
-
$5,622 AUD
$3,949 USD
View
A
Retailer 12
-
$5,655 AUD
$3,972 USD
View
A
Retailer 13
-
$6,412 AUD
$4,504 USD
View
A
Retailer 14
-
$6,819 AUD
€4,562 EUR
View
A
Retailer 15
-
$7,810 AUD
£4,320 GBP
View
B+
Retailer 16
-
$9,289 AUD
View
B+
Retailer 17
-
$9,553 AUD
ZAR 108,405 ZAR
View
B+
Retailer 18
-
$10,984 AUD
$7,716 USD
View
B+
Retailer 19
-
$11,014 AUD
£6,092 GBP
View
B+
Retailer 20
-
$13,154 AUD
$9,240 USD
View
Most Expensive
B+
Taylor and Hart
YJ2EXM4 · Oct 31
$14,355 AUD
$10,084 USD
View
20 more retailers have this diamond
Prices start from $3,546 AUDSave up to $10,809 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
3.20ct Marquise
$3,546 AUD