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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 $4,644 SGD
$3,633 USD
As of October 31, 2026
Save $18,088 SGD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $34,287 SGD at Do Amore Diamonds · As of October 31, 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 31, 2026, with a 389% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 31
Current: $34,287 SGD|Low: $4,644 SGD|High: $40,487 SGD|Avg: $13,400 SGD|-15.3%
Do Amore Diamonds
Retailer 2
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Retailer 21
October 31, 2026
Retailer 20$4,644 SGD
Retailer 12$4,983 SGD
Retailer 17$5,222 SGD
Retailer 9$5,580 SGD
Retailer 5$5,781 SGD
Retailer 19$5,855 SGD
Retailer 3$7,581 SGD
Retailer 18$7,667 SGD
Retailer 14$7,973 SGD
Retailer 21$8,262 SGD
Retailer 2$8,265 SGD
Retailer 11$8,982 SGD
Retailer 15$9,901 SGD
Retailer 16$13,282 SGD
Retailer 7$14,203 SGD
Retailer 13$14,813 SGD
Retailer 4$16,688 SGD
Retailer 6$20,156 SGD
Retailer 10$22,717 SGD
Retailer 8$22,732 SGD
Do Amore Diamonds$34,287 SGD

40 data points across 21 retailers

24 retailers$4,644 SGD to $22,732 SGD

A
Cheapest Retailer
-
$4,644 SGD
$3,633 USD
A
Retailer 2
-
$4,983 SGD
$3,898 USD
View
A
Retailer 3
-
$5,222 SGD
$4,085 USD
View
A
Retailer 4
-
$5,580 SGD
$4,365 USD
View
Final sale: no returns
A
Retailer 5
-
$5,781 SGD
$4,522 USD
View
A
Retailer 6
-
$5,855 SGD
$4,580 USD
View
Retailer 7
-
$6,825 SGD
$5,339 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$7,581 SGD
$5,930 USD
View
A
Retailer 9
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$7,667 SGD
$5,997 USD
View
A
Retailer 10
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$7,973 SGD
$6,237 USD
View
A
Retailer 11
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$8,262 SGD
$6,463 USD
View
A
Retailer 12
-
$8,265 SGD
£5,091 GBP
View
B+
Retailer 13
-
$8,982 SGD
£5,532 GBP
View
B+
Retailer 14
-
$9,901 SGD
€7,376 EUR
View
B+
Retailer 15
-
$13,282 SGD
£8,181 GBP
View
B+
Retailer 16
-
$14,203 SGD
$11,110 USD
View
B+
Retailer 17
-
$14,813 SGD
ZAR 187,197 ZAR
View
B
Retailer 18
-
$16,027 SGD
$12,537 USD
View
B+
Retailer 19
-
$16,688 SGD
$13,054 USD
View
B
Retailer 20
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$17,447 SGD
$13,647 USD
View
B
Retailer 21
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$20,156 SGD
$15,767 USD
View
B
Retailer 22
-
$22,717 SGD
$17,770 USD
View
B
Retailer 23
-
$22,732 SGD
$17,782 USD
View
Most Expensive
Do Amore Diamonds
27-B90E2475F · Oct 31
$34,287 SGD
$26,820 USD
View
Price under review
23 more retailers have this diamond
Prices start from $4,644 SGDSave up to $18,088 SGD

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
$4,644 SGD