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 $1,010 NZD

$569 USD

As of November 1, 2026

Save $6,993 NZD (87%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $8,002 NZD 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 $1,010 to $8,002, a $6,993 spread on the same certified stone. Do Amore Diamonds lists it at $8,002. 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

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG620416961

Side View

Caratlytics Score

How it works →

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: Nov 1

Current: $5,358 NZD|Low: $722 NZD|High: $5,424 NZD|Avg: $2,352 NZD

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$1,010 NZD

Retailer 9$1,118 NZD

Retailer 7$1,375 NZD

Retailer 3$1,632 NZD

Retailer 11$1,737 NZD

Retailer 4$1,926 NZD

Retailer 5$2,606 NZD

Retailer 6$2,681 NZD

Retailer 8$2,885 NZD

Retailer 10$4,147 NZD

Retailer 1$5,358 NZD

42 data points across 11 retailers

17 retailers$1,010 NZD to $8,002 NZD

Cheapest Retailer

$1,010 NZD

$569 USD

Final sale: no returns

Retailer 2

$1,118 NZD

$630 USD

View

Retailer 3

$1,118 NZD

$630 USD

View

Price last confirmed 29 days ago

Retailer 4

$1,375 NZD

$775 USD

View

Retailer 5

$1,616 NZD

$911 USD

View

Retailer 6

$1,632 NZD

$920 USD

View

Retailer 7

$1,737 NZD

$979 USD

View

Retailer 8

$1,926 NZD

£855 GBP

View

B+

Retailer 9

$2,606 NZD

A$2,260 AUD

View

B+

Retailer 10

$2,681 NZD

ZAR 24,407 ZAR

View

B+

Retailer 11

$2,885 NZD

$1,626 USD

View

B+

Retailer 12

$3,247 NZD

$1,830 USD

View

Retailer 13

$3,247 NZD

$1,830 USD

View

Price last confirmed 32 days ago

Retailer 14

$4,147 NZD

$2,337 USD

View

Retailer 15

$4,209 NZD

$2,372 USD

View

Retailer 16

$5,358 NZD

£2,378 GBP

View

Most Expensive

Do Amore Diamonds

27-CF5127623 · Oct 31

$8,002 NZD

$4,510 USD

View

16 more retailers have this diamond

Prices start from $1,010 NZDSave up to $6,993 NZD

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.

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