Heart|Lab Grown|IGI

6.66ct F VVS2 Heart Lab Grown Diamond

ID • F/VVS2 • IGI LG657463791

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG657463791

Diamond specifications and retailer prices

From $1,944 SGD

$1,520 USD

As of November 3, 2026

Save $7,482 SGD (79%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $9,425 SGD at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 6.66ct lab-grown heart diamond

This 6.66ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG657463791 or 657463791. Listed at 17 retailers as of November 2, 2026, with prices from $1,944 to $9,425, a $7,482 spread on the same certified stone. Brilliant Earth lists it at $9,425. 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

6.66

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG657463791

Dimensions12.77 × 12.13 × 7.65 mm

L/W Ratio1.05

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG657463791

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 3

Current: $9,425 SGD|Low: $1,697 SGD|High: $17,802 SGD|Avg: $4,486 SGD|-47.0%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

November 3, 2026

Retailer 5$1,747 SGD

Retailer 9$1,944 SGD

Retailer 2$2,474 SGD

Retailer 13$2,736 SGD

Retailer 6$2,958 SGD

Retailer 8$3,192 SGD

Retailer 10$3,334 SGD

Retailer 11$3,395 SGD

Retailer 12$4,123 SGD

Retailer 4$5,034 SGD

Retailer 7$5,535 SGD

Retailer 3$6,032 SGD

Brilliant Earth$9,425 SGD

41 data points across 13 retailers

17 retailers$1,944 SGD to $9,425 SGD

Retailer 1

$1,445 SGD

$1,130 USD

Price last confirmed 31 days ago

Retailer 2

$1,638 SGD

$1,281 USD

View

Price last confirmed 35 days ago

Retailer 3

$1,747 SGD

$1,366 USD

View

Price last confirmed 30 days ago

Retailer 4

$1,944 SGD

$1,520 USD

View

Retailer 5

$2,474 SGD

£1,523 GBP

View

Retailer 6

$2,736 SGD

$2,139 USD

View

B+

Retailer 7

$2,958 SGD

€2,203 EUR

View

B+

Retailer 8

$3,192 SGD

A$3,840 AUD

View

Retailer 9

$3,274 SGD

$2,560 USD

View

Price last confirmed 33 days ago

B+

Retailer 10

$3,334 SGD

ZAR 42,114 ZAR

View

B+

Retailer 11

$3,395 SGD

$2,655 USD

View

B+

Retailer 12

$4,123 SGD

$3,224 USD

View

Retailer 13

$5,034 SGD

$3,936 USD

View

B+

Retailer 14

$5,535 SGD

£3,408 GBP

View

Retailer 15

$6,032 SGD

$4,717 USD

View

Retailer 16

$7,078 SGD

A$8,514 AUD

View

Price last confirmed 122 days ago

Most Expensive

Brilliant Earth

21027063A · Nov 2

$9,425 SGD

$7,370 USD

View

16 more retailers have this diamond

Prices start from $1,944 SGDSave up to $7,482 SGD

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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6.66ct Heart

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