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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 HK$28,503 HKD
$3,633 USD
As of October 31, 2026
Save HK$111,008 HKD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$210,422 HKD 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$210,422 HKD|Low: HK$28,503 HKD|High: HK$248,473 HKD|Avg: HK$82,238 HKD|-15.3%
Do Amore Diamonds
Retailer 2
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Retailer 4
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Retailer 15
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Retailer 17
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Retailer 21
October 31, 2026
Retailer 20HK$28,503 HKD
Retailer 12HK$30,583 HKD
Retailer 17HK$32,050 HKD
Retailer 9HK$34,246 HKD
Retailer 5HK$35,478 HKD
Retailer 19HK$35,933 HKD
Retailer 3HK$46,525 HKD
Retailer 18HK$47,051 HKD
Retailer 14HK$48,934 HKD
Retailer 21HK$50,707 HKD
Retailer 2HK$50,722 HKD
Retailer 11HK$55,121 HKD
Retailer 15HK$60,763 HKD
Retailer 16HK$81,516 HKD
Retailer 7HK$87,166 HKD
Retailer 13HK$90,912 HKD
Retailer 4HK$102,417 HKD
Retailer 6HK$123,701 HKD
Retailer 10HK$139,418 HKD
Retailer 8HK$139,512 HKD
Do Amore DiamondsHK$210,422 HKD

40 data points across 21 retailers

24 retailersHK$28,503 HKD to HK$139,512 HKD

A
Cheapest Retailer
-
HK$28,503 HKD
$3,633 USD
A
Retailer 2
-
HK$30,583 HKD
$3,898 USD
View
A
Retailer 3
-
HK$32,050 HKD
$4,085 USD
View
A
Retailer 4
-
HK$34,246 HKD
$4,365 USD
View
Final sale: no returns
A
Retailer 5
-
HK$35,478 HKD
$4,522 USD
View
A
Retailer 6
-
HK$35,933 HKD
$4,580 USD
View
Retailer 7
-
HK$41,888 HKD
$5,339 USD
View
Price last confirmed 19 days ago
A
Retailer 8
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HK$46,525 HKD
$5,930 USD
View
A
Retailer 9
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HK$47,051 HKD
$5,997 USD
View
A
Retailer 10
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HK$48,934 HKD
$6,237 USD
View
A
Retailer 11
-
HK$50,707 HKD
$6,463 USD
View
A
Retailer 12
-
HK$50,722 HKD
£5,091 GBP
View
B+
Retailer 13
-
HK$55,121 HKD
£5,532 GBP
View
B+
Retailer 14
-
HK$60,763 HKD
€7,376 EUR
View
B+
Retailer 15
-
HK$81,516 HKD
£8,181 GBP
View
B+
Retailer 16
-
HK$87,166 HKD
$11,110 USD
View
B+
Retailer 17
-
HK$90,912 HKD
ZAR 187,197 ZAR
View
B
Retailer 18
-
HK$98,362 HKD
$12,537 USD
View
B+
Retailer 19
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HK$102,417 HKD
$13,054 USD
View
B
Retailer 20
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HK$107,073 HKD
$13,647 USD
View
B
Retailer 21
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HK$123,701 HKD
$15,767 USD
View
B
Retailer 22
-
HK$139,418 HKD
$17,770 USD
View
B
Retailer 23
-
HK$139,512 HKD
$17,782 USD
View
Most Expensive
Do Amore Diamonds
27-B90E2475F · Oct 31
HK$210,422 HKD
$26,820 USD
View
Price under review
23 more retailers have this diamond
Prices start from HK$28,503 HKDSave up to HK$111,008 HKD

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
HK$28,503 HKD