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Marquise|Lab Grown|IGI

3.21ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG794697191

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG794697191

Diamond specifications and retailer prices

From $5,172 AUD
$3,633 USD
As of October 30, 2026
Save $33,009 AUD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $38,181 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.21ct lab-grown marquise diamond

This 3.21ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG794697191 or 794697191. Listed at 24 retailers as of October 29, 2026, with prices from $5,172 to $38,181, a $33,009 spread on the same certified stone. Do Amore Diamonds lists it at $38,181. 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

3.21
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794697191
Dimensions14.96 × 7.77 × 4.88 mm
L/W Ratio1.93
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
14.96 mm7.77 mm3.21 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794697191
Side View
Table 56.0%Crown 35.1°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.8%

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: $38,181 AUD|Low: $5,172 AUD|High: $45,085 AUD|Avg: $14,964 AUD|-15.3%
Do Amore Diamonds
Retailer 2
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Retailer 21
October 29, 2026
Retailer 20$5,172 AUD
Retailer 12$5,549 AUD
Retailer 17$5,815 AUD
Retailer 9$6,214 AUD
Retailer 5$6,438 AUD
Retailer 19$6,520 AUD
Retailer 3$8,442 AUD
Retailer 18$8,537 AUD
Retailer 14$8,879 AUD
Retailer 13$9,175 AUD
Retailer 21$9,201 AUD
Retailer 11$10,002 AUD
Retailer 15$11,025 AUD
Retailer 16$14,791 AUD
Retailer 7$15,816 AUD
Retailer 2$16,496 AUD
Retailer 4$18,584 AUD
Retailer 6$22,445 AUD
Retailer 10$25,297 AUD
Retailer 8$25,314 AUD
Do Amore Diamonds$38,181 AUD

40 data points across 21 retailers

24 retailers$5,172 AUD to $38,181 AUD

A
Cheapest Retailer
-
$5,172 AUD
$3,633 USD
A
Retailer 2
-
$5,549 AUD
$3,898 USD
View
A
Retailer 3
-
$5,815 AUD
$4,085 USD
View
A
Retailer 4
-
$6,214 AUD
$4,365 USD
View
Final sale: no returns
A
Retailer 5
-
$6,438 AUD
$4,522 USD
View
A
Retailer 6
-
$6,520 AUD
$4,580 USD
View
Retailer 7
-
$7,601 AUD
$5,339 USD
View
Price last confirmed 18 days ago
A
Retailer 8
-
$8,442 AUD
$5,930 USD
View
A
Retailer 9
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$8,537 AUD
$5,997 USD
View
A
Retailer 10
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$8,879 AUD
$6,237 USD
View
A
Retailer 11
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$9,175 AUD
£5,075 GBP
View
A
Retailer 12
-
$9,201 AUD
$6,463 USD
View
B+
Retailer 13
-
$10,002 AUD
£5,532 GBP
View
B+
Retailer 14
-
$11,025 AUD
€7,376 EUR
View
B+
Retailer 15
-
$14,791 AUD
£8,181 GBP
View
B+
Retailer 16
-
$15,816 AUD
$11,110 USD
View
B+
Retailer 17
-
$16,496 AUD
ZAR 187,197 ZAR
View
B
Retailer 18
-
$17,848 AUD
$12,537 USD
View
B+
Retailer 19
-
$18,584 AUD
$13,054 USD
View
B
Retailer 20
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$19,428 AUD
$13,647 USD
View
B
Retailer 21
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$22,445 AUD
$15,767 USD
View
B
Retailer 22
-
$25,297 AUD
$17,770 USD
View
B
Retailer 23
-
$25,314 AUD
$17,782 USD
View
Most Expensive
B
Do Amore Diamonds
27-B90E2475F · Oct 29
$38,181 AUD
$26,820 USD
View
23 more retailers have this diamond
Prices start from $5,172 AUDSave up to $33,009 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
3.21ct Marquise
$5,172 AUD