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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 $569 USD
As of October 31, 2026
Save $3,941 USD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,510 USD at Do Amore Diamonds · As of October 31, 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 October 31, 2026, with prices from $569 to $4,510, a $3,941 spread on the same certified stone. Do Amore Diamonds lists it at $4,510. 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: Oct 31
Current: $1,085 USD|Low: $407 USD|High: $3,057 USD|Avg: $1,319 USD|+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 1, 2026
Retailer 2$569 USD
Retailer 9$630 USD
Retailer 7$775 USD
Retailer 3$920 USD
Retailer 11$979 USD
Retailer 1$1,085 USD
Retailer 4$1,469 USD
Retailer 6$1,511 USD
Retailer 8$1,626 USD
Retailer 10$2,337 USD
Retailer 5$3,037 USD

43 data points across 11 retailers

17 retailers$569 USD to $4,510 USD

A
Cheapest Retailer
-
$569 USD
Final sale: no returns
A
Retailer 2
-
$630 USD
View
Retailer 3
-
$630 USD
View
Price last confirmed 29 days ago
A
Retailer 4
-
$775 USD
View
A
Retailer 5
-
$911 USD
View
A
Retailer 6
-
$920 USD
View
A
Retailer 7
-
$979 USD
View
A
Retailer 8
-
$1,085 USD
£855 GBP
View
B+
Retailer 9
-
$1,469 USD
A$2,260 AUD
View
B+
Retailer 10
-
$1,511 USD
ZAR 24,407 ZAR
View
B+
Retailer 11
-
$1,626 USD
View
B+
Retailer 12
-
$1,830 USD
View
Retailer 13
-
$1,830 USD
View
Price last confirmed 31 days ago
B
Retailer 14
-
$2,337 USD
View
B
Retailer 15
-
$2,372 USD
View
B
Retailer 16
-
$3,037 USD
£2,391 GBP
View
Most Expensive
B
Do Amore Diamonds
27-CF5127623 · Oct 31
$4,510 USD
View
16 more retailers have this diamond
Prices start from $569 USDSave up to $3,941 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 Heart
$569 USD