Heart|Lab Grown|IGI

21.10ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG782617670

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG782617670

Diamond specifications and retailer prices

From $19,524 NZD

$10,981 USD

As of November 2, 2026

Save $48,154 NZD (71%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $67,678 NZD at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 21.1ct lab-grown heart diamond

This 21.1ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG782617670 or 782617670. Listed at 14 retailers as of October 31, 2026, with prices from $19,524 to $67,678, a $48,154 spread on the same certified stone. Taylor and Hart lists it at $67,678. 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

21.10

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.2°

Pavilion angle30.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG782617670

Dimensions19.21 × 16.45 × 9.02 mm

L/W Ratio1.17

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG782617670

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 2

Current: $42,766 NZD|Low: $19,524 NZD|High: $76,239 NZD|Avg: $33,282 NZD|-23.6%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Taylor and Hart

November 1, 2026

Retailer 11$19,524 NZD

Retailer 8$20,307 NZD

Retailer 2$20,945 NZD

Retailer 12$21,226 NZD

Retailer 4$21,868 NZD

Retailer 10$22,648 NZD

Retailer 6$22,652 NZD

Retailer 3$24,163 NZD

Retailer 7$24,407 NZD

Retailer 5$26,751 NZD

Retailer 1$42,766 NZD

Retailer 9$49,071 NZD

Taylor and Hart$67,678 NZD

18 data points across 13 retailers

14 retailers$19,524 NZD to $67,678 NZD

Cheapest Retailer

$19,524 NZD

$10,981 USD

B+

Retailer 2

$20,307 NZD

$11,421 USD

View

B+

Retailer 3

$20,945 NZD

$11,780 USD

View

B+

Retailer 4

$21,226 NZD

$11,938 USD

View

B+

Retailer 5

$21,868 NZD

$12,299 USD

View

Final sale: no returns

B+

Retailer 6

$22,648 NZD

$12,738 USD

View

Retailer 7

$22,648 NZD

$12,738 USD

View

Price last confirmed 22 days ago

B+

Retailer 8

$22,652 NZD

$12,740 USD

View

B+

Retailer 9

$24,163 NZD

$13,590 USD

View

B+

Retailer 10

$24,407 NZD

$13,727 USD

View

B+

Retailer 11

$26,751 NZD

£11,847 GBP

View

Retailer 12

$42,766 NZD

A$37,004 AUD

View

Retailer 13

$49,071 NZD

$27,599 USD

View

Most Expensive

Taylor and Hart

632FEXV · Oct 31

$67,678 NZD

$38,064 USD

View

13 more retailers have this diamond

Prices start from $19,524 NZDSave up to $48,154 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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21.10ct Heart

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