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Heart|Lab Grown|IGI

3.21ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG620416961

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620416961

Diamond specifications and retailer prices

From €509 EUR
$569 USD
As of November 1, 2026
Save €3,528 EUR (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,037 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.21ct lab-grown heart diamond

This 3.21ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620416961 or 620416961. Listed at 17 retailers as of November 1, 2026, with prices from €509 to €4,037, a €3,528 spread on the same certified stone. Do Amore Diamonds lists it at €4,037. 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
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620416961
Dimensions9.20 × 10.03 × 6.08 mm
L/W Ratio1.09
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
9.20 mm10.03 mm3.21 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620416961
Side View
Table 58.0%Crown 36.3°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 60.6%

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: Nov 1
Current: €971 EUR|Low: €364 EUR|High: €2,736 EUR|Avg: €1,187 EUR|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2€509 EUR
Retailer 9€564 EUR
Retailer 7€694 EUR
Retailer 3€823 EUR
Retailer 11€876 EUR
Retailer 1€971 EUR
Retailer 5€1,315 EUR
Retailer 6€1,352 EUR
Retailer 8€1,455 EUR
Retailer 10€2,092 EUR
Retailer 4€2,703 EUR

43 data points across 11 retailers

17 retailers€509 EUR to €4,037 EUR

A
Cheapest Retailer
-
€509 EUR
$569 USD
Final sale: no returns
A
Retailer 2
-
€564 EUR
$630 USD
View
Retailer 3
-
€564 EUR
$630 USD
View
Price last confirmed 29 days ago
A
Retailer 4
-
€694 EUR
$775 USD
View
A
Retailer 5
-
€815 EUR
$911 USD
View
A
Retailer 6
-
€823 EUR
$920 USD
View
A
Retailer 7
-
€876 EUR
$979 USD
View
A
Retailer 8
-
€971 EUR
£855 GBP
View
B+
Retailer 9
-
€1,315 EUR
A$2,260 AUD
View
B+
Retailer 10
-
€1,352 EUR
ZAR 24,407 ZAR
View
B+
Retailer 11
-
€1,455 EUR
$1,626 USD
View
B+
Retailer 12
-
€1,638 EUR
$1,830 USD
View
Retailer 13
-
€1,638 EUR
$1,830 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
€2,092 EUR
$2,337 USD
View
B
Retailer 15
-
€2,123 EUR
$2,372 USD
View
B
Retailer 16
-
€2,703 EUR
£2,378 GBP
View
Most Expensive
B
Do Amore Diamonds
27-CF5127623 · Nov 2
€4,037 EUR
$4,510 USD
View
16 more retailers have this diamond
Prices start from €509 EURSave up to €3,528 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 Heart
€509 EUR