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Round|Lab Grown|IGI

3.21ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG621488365

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621488365

Diamond specifications and retailer prices

From €452 EUR
$505 USD
As of October 31, 2026
Save €2,788 EUR (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,240 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.21ct lab-grown round diamond

This 3.21ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621488365 or 621488365. Listed at 13 retailers as of October 31, 2026, with prices from €452 to €3,240, a €2,788 spread on the same certified stone. Do Amore Diamonds lists it at €3,240. 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
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621488365
Dimensions9.50 × 9.43 × 5.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.50 mm9.43 mm3.21 ctI / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG621488365
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.5%

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: €3,240 EUR|Low: €446 EUR|High: €3,240 EUR|Avg: €1,180 EUR
Do Amore Diamonds
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
October 30, 2026
Retailer 12€452 EUR
Retailer 9€582 EUR
Retailer 6€639 EUR
Retailer 2€668 EUR
Retailer 13€715 EUR
Retailer 14€729 EUR
Retailer 4€803 EUR
Retailer 8€1,083 EUR
Retailer 11€1,268 EUR
Retailer 10€1,589 EUR
Retailer 3€1,604 EUR
Retailer 5€1,737 EUR
Retailer 7€1,843 EUR
Do Amore Diamonds€3,240 EUR

36 data points across 14 retailers

13 retailers€452 EUR to €3,240 EUR

A
Cheapest Retailer
-
€452 EUR
$505 USD
A
Retailer 2
-
€582 EUR
$650 USD
View
A
Retailer 3
-
€668 EUR
£588 GBP
View
B+
Retailer 4
-
€715 EUR
$799 USD
View
A
Retailer 5
-
€729 EUR
$815 USD
View
B+
Retailer 6
-
€803 EUR
$897 USD
View
B+
Retailer 7
-
€1,083 EUR
ZAR 19,549 ZAR
View
B
Retailer 8
-
€1,268 EUR
$1,417 USD
View
B
Retailer 9
-
€1,589 EUR
$1,775 USD
View
B
Retailer 10
-
€1,604 EUR
$1,792 USD
View
B
Retailer 11
-
€1,737 EUR
$1,941 USD
View
B
Retailer 12
-
€1,843 EUR
£1,621 GBP
View
Most Expensive
B
Do Amore Diamonds
27-024B779F7 · Oct 31
€3,240 EUR
$3,620 USD
View
12 more retailers have this diamond
Prices start from €452 EURSave up to €2,788 EUR

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 Round
€452 EUR