Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG607354740

Certificate IGI LG607354740

Diamond specifications and retailer prices

From $394 USD

Save $466 USD (54%) vs most expensive(unlock to see where)

7 retailers carry this diamond

Most expensive: $860 USD at Brilliant Earth

View at Brilliant Earth

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG607354740 or 607354740. Listed at 7 retailers, with prices from $394 to $860 at Brilliant Earth, a $466 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.8°

Pavilion angle38.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG607354740

Dimensions7.52 × 6.43 × 4.36 mm

L/W Ratio1.17

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG607354740

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: 4 hours ago

Current: $860 USD|Low: $394 USD|High: $1,370 USD|Avg: $653 USD|-5.5%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

30 data points across 7 retailers

7 retailers$394 USD - $860 USD

Cheapest Retailer

$394 USD

View

Retailer 2

$404 USD

ZAR 6,529 ZAR

View

Retailer 3

$420 USD

£331 GBP

View

Retailer 4

$463 USD

View

B+

Retailer 5

$549 USD

View

Retailer 6

$828 USD

View

Most Expensive

Brilliant Earth

8644698A · Sep 17

$860 USD

View

6 more retailers have this diamond

Prices start from $394 USDSave up to $466 USD

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.

Where to buy this spec

See every retailer carrying 1.21ct D VS1 heart lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

1.21ct Heart

$394 USD

Similar diamonds

Comparable stones with the same shape, colour and clarity.