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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 $810 AUD
$569 USD
As of October 31, 2026
Save $5,610 AUD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,420 AUD 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 $810 to $6,420, a $5,610 spread on the same certified stone. Do Amore Diamonds lists it at $6,420. 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
Colour
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: $4,299 AUD|Low: $579 AUD|High: $4,352 AUD|Avg: $1,887 AUD
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$810 AUD
Retailer 9$897 AUD
Retailer 7$1,103 AUD
Retailer 3$1,310 AUD
Retailer 11$1,394 AUD
Retailer 4$1,545 AUD
Retailer 5$2,091 AUD
Retailer 6$2,151 AUD
Retailer 8$2,315 AUD
Retailer 10$3,327 AUD
Retailer 1$4,299 AUD

42 data points across 11 retailers

17 retailers$810 AUD to $6,420 AUD

A
Cheapest Retailer
-
$810 AUD
$569 USD
Final sale: no returns
A
Retailer 2
-
$897 AUD
$630 USD
View
Retailer 3
-
$897 AUD
$630 USD
View
Price last confirmed 29 days ago
A
Retailer 4
-
$1,103 AUD
$775 USD
View
A
Retailer 5
-
$1,297 AUD
$911 USD
View
A
Retailer 6
-
$1,310 AUD
$920 USD
View
A
Retailer 7
-
$1,394 AUD
$979 USD
View
A
Retailer 8
-
$1,545 AUD
£855 GBP
View
B+
Retailer 9
-
$2,091 AUD
View
B+
Retailer 10
-
$2,151 AUD
ZAR 24,407 ZAR
View
B+
Retailer 11
-
$2,315 AUD
$1,626 USD
View
B+
Retailer 12
-
$2,605 AUD
$1,830 USD
View
Retailer 13
-
$2,605 AUD
$1,830 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
$3,327 AUD
$2,337 USD
View
B
Retailer 15
-
$3,377 AUD
$2,372 USD
View
B
Retailer 16
-
$4,299 AUD
£2,378 GBP
View
Most Expensive
B
Do Amore Diamonds
27-CF5127623 · Oct 31
$6,420 AUD
$4,510 USD
View
16 more retailers have this diamond
Prices start from $810 AUDSave up to $5,610 AUD

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
$810 AUD