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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 $3,633 USD
As of October 28, 2026
Save $23,187 USD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $26,820 USD 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 28, 2026, with prices from $3,633 to $26,820, a $23,187 spread on the same certified stone. Do Amore Diamonds lists it at $26,820. 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
Color
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

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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: Oct 28
Current: $26,820 USD|Low: $3,633 USD|High: $31,670 USD|Avg: $10,913 USD|-15.3%
Do Amore Diamonds
Retailer 2
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Retailer 20
October 29, 2026
Retailer 19$3,633 USD
Retailer 16$4,085 USD
Retailer 9$4,365 USD
Retailer 5$4,522 USD
Retailer 18$4,580 USD
Retailer 3$5,930 USD
Retailer 17$5,997 USD
Retailer 12$6,237 USD
Retailer 2$6,445 USD
Retailer 20$6,463 USD
Retailer 11$7,026 USD
Retailer 13$7,745 USD
Retailer 14$10,390 USD
Retailer 7$11,110 USD
Retailer 15$11,542 USD
Retailer 4$13,054 USD
Retailer 6$15,767 USD
Retailer 10$17,770 USD
Retailer 8$17,782 USD
Do Amore Diamonds$26,820 USD

42 data points across 20 retailers

24 retailers$3,633 USD to $26,820 USD

A
Cheapest Retailer
-
$3,633 USD
A
Retailer 2
-
$3,898 USD
View
A
Retailer 3
-
$4,085 USD
View
A
Retailer 4
-
$4,365 USD
View
Final sale: no returns
A
Retailer 5
-
$4,522 USD
View
A
Retailer 6
-
$4,580 USD
View
A
Retailer 7
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$5,339 USD
View
Price last confirmed 16 days ago
A
Retailer 8
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$5,930 USD
View
A
Retailer 9
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$5,997 USD
View
A
Retailer 10
-
$6,237 USD
View
A
Retailer 11
-
$6,445 USD
£5,075 GBP
View
A
Retailer 12
-
$6,463 USD
View
B+
Retailer 13
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$7,026 USD
£5,532 GBP
View
B+
Retailer 14
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$7,745 USD
€7,376 EUR
View
B+
Retailer 15
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$10,390 USD
£8,181 GBP
View
B+
Retailer 16
-
$11,110 USD
View
B+
Retailer 17
-
$11,542 USD
ZAR 186,462 ZAR
View
B
Retailer 18
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$12,537 USD
View
B+
Retailer 19
-
$13,054 USD
View
B
Retailer 20
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$13,647 USD
View
B
Retailer 21
-
$15,767 USD
View
B
Retailer 22
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$17,770 USD
View
B
Retailer 23
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$17,782 USD
View
Most Expensive
B
Do Amore Diamonds
27-B90E2475F · Oct 29
$26,820 USD
View
23 more retailers have this diamond
Prices start from $3,633 USDSave up to $23,187 USD

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
$3,633 USD