Heart|Lab Grown|IGI

16.74ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG773667311

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG773667311

Diamond specifications and retailer prices

From $11,476 NZD

£5,082 GBP

As of November 2, 2026

Save $37,338 NZD (76%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $48,813 NZD at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 16.74ct lab-grown heart diamond

This 16.74ct 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 LG773667311 or 773667311. Listed at 17 retailers as of October 31, 2026, with prices from $11,476 to $48,813, a $37,338 spread on the same certified stone. Taylor and Hart lists it at $48,813. 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

16.74

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.1°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG773667311

Dimensions15.60 × 17.36 × 10.50 mm

L/W Ratio1.11

Girdle conditionFaceted

Culet sizePointed

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG773667311

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: $22,187 NZD|Low: $11,472 NZD|High: $39,772 NZD|Avg: $18,255 NZD|+2.2%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

November 3, 2026

Retailer 10$11,476 NZD

Retailer 2$12,318 NZD

Retailer 14$12,810 NZD

Retailer 6$13,609 NZD

Retailer 12$14,251 NZD

Retailer 4$14,288 NZD

Retailer 16$14,288 NZD

Retailer 7$14,320 NZD

Retailer 3$16,423 NZD

Retailer 15$16,962 NZD

Retailer 9$17,800 NZD

Retailer 13$21,144 NZD

Retailer 1$22,187 NZD

Retailer 11$27,278 NZD

Retailer 8$30,893 NZD

Retailer 5$39,772 NZD

38 data points across 16 retailers

17 retailers$11,476 NZD to $48,813 NZD

Cheapest Retailer

$11,476 NZD

£5,082 GBP

Retailer 2

$12,318 NZD

$6,928 USD

View

Retailer 3

$12,810 NZD

$7,205 USD

View

Retailer 4

$13,609 NZD

$7,654 USD

View

B+

Retailer 5

$14,251 NZD

$8,015 USD

View

Retailer 6

$14,288 NZD

$8,036 USD

View

Retailer 7

$14,288 NZD

$8,036 USD

View

Price last confirmed 21 days ago

B+

Retailer 8

$14,320 NZD

$8,054 USD

View

Final sale: no returns

B+

Retailer 9

$16,423 NZD

$9,237 USD

View

B+

Retailer 10

$16,962 NZD

$9,540 USD

View

B+

Retailer 11

$17,800 NZD

£7,883 GBP

View

Retailer 12

$21,144 NZD

$11,892 USD

View

B+

Retailer 13

$22,187 NZD

ZAR 201,594 ZAR

View

Retailer 14

$27,278 NZD

A$23,603 AUD

View

Retailer 15

$30,893 NZD

$17,375 USD

View

Retailer 16

$39,772 NZD

$22,369 USD

View

Most Expensive

Taylor and Hart

E7BZ2N4 · Oct 31

$48,813 NZD

$27,454 USD

View

16 more retailers have this diamond

Prices start from $11,476 NZDSave up to $37,338 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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16.74ct Heart

$11,476 NZD