Heart|Lab Grown|IGI

6.78ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG838658328

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG838658328

Diamond specifications and retailer prices

From $4,157 CAD

$2,970 USD

As of October 27, 2026

Save $12,840 CAD (76%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $29,731 CAD at Novita Diamonds · As of October 8, 2026

View at Novita Diamonds

About this 6.78ct lab-grown heart diamond

This 6.78ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG838658328 or 838658328. Listed at 21 retailers as of October 27, 2026, with a 309% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.78

Carat

Color

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.3°

Pavilion angle38.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG838658328

Dimensions11.40 × 13.40 × 7.63 mm

L/W Ratio1.18

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 LG838658328

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: Oct 27

Current: $9,331 CAD|Low: $4,157 CAD|High: $24,007 CAD|Avg: $9,007 CAD|-0.6%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Retailer 18

October 29, 2026

Retailer 10$4,157 CAD

Retailer 15$4,522 CAD

Retailer 5$4,655 CAD

Retailer 8$4,822 CAD

Retailer 13$4,934 CAD

Retailer 2$5,046 CAD

Retailer 17$5,107 CAD

Retailer 7$6,025 CAD

Retailer 11$6,516 CAD

Retailer 14$6,889 CAD

Retailer 18$6,928 CAD

Retailer 4$8,948 CAD

Retailer 1$9,331 CAD

Retailer 12$12,286 CAD

Retailer 6$16,786 CAD

Retailer 3$16,927 CAD

Retailer 9$16,997 CAD

Retailer 16$23,636 CAD

19 data points across 18 retailers

21 retailers$4,157 CAD to $16,997 CAD

Cheapest Retailer

$4,157 CAD

$2,970 USD

Retailer 2

$4,522 CAD

$3,231 USD

View

Retailer 3

$4,655 CAD

$3,326 USD

View

Final sale: no returns

B+

Retailer 4

$4,822 CAD

$3,445 USD

View

Retailer 5

$4,921 CAD

$3,516 USD

View

Price last confirmed 17 days ago

B+

Retailer 6

$4,934 CAD

£2,776 GBP

View

B+

Retailer 7

$5,046 CAD

$3,605 USD

View

B+

Retailer 8

$5,107 CAD

$3,649 USD

View

B+

Retailer 9

$6,025 CAD

$4,305 USD

View

B+

Retailer 10

$6,516 CAD

£3,666 GBP

View

B+

Retailer 11

$6,889 CAD

$4,922 USD

View

B+

Retailer 12

$6,928 CAD

$4,950 USD

View

Retailer 13

$8,948 CAD

A$9,836 AUD

View

Price last confirmed 7 days ago

B+

Retailer 14

$9,331 CAD

ZAR 107,702 ZAR

View

Retailer 15

$12,286 CAD

£6,912 GBP

View

Retailer 16

$12,424 CAD

$8,877 USD

View

Retailer 17

$16,786 CAD

$11,993 USD

View

Retailer 18

$16,927 CAD

$12,094 USD

View

Retailer 19

$16,997 CAD

SGD 16,411 SGD

View

Retailer 20

$23,636 CAD

$16,888 USD

View

Price under review

Most Expensive

Novita Diamonds

cert_838658328 · Oct 8

$29,731 CAD

A$32,681 AUD

View

Price under review

20 more retailers have this diamond

Prices start from $4,157 CADSave up to $12,840 CAD

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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