Heart|Lab Grown|IGI

6.51ct F VVS2 Heart Lab Grown Diamond

ID • F/VVS2 • IGI LG835612605

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835612605

Diamond specifications and retailer prices

From $1,099 USD

As of October 30, 2026

Save $6,101 USD (85%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: $7,200 USD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 6.51ct lab-grown heart diamond

This 6.51ct 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 LG835612605 or 835612605. Listed at 23 retailers as of October 30, 2026, with prices from $1,099 to $7,200, a $6,101 spread on the same certified stone. Brilliant Earth lists it at $7,200. 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

6.51

Carat

Color

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.5°

Pavilion angle38.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG835612605

Dimensions11.82 × 12.70 × 7.37 mm

L/W Ratio1.07

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 LG835612605

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 30

Current: $1,847 USD|Low: $1,099 USD|High: $5,255 USD|Avg: $2,307 USD|-4.7%

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Retailer 22

November 2, 2026

Retailer 9$1,099 USD

Retailer 6$1,196 USD

Retailer 21$1,275 USD

Retailer 15$1,298 USD

Retailer 16$1,320 USD

Retailer 8$1,450 USD

Retailer 10$1,472 USD

Retailer 2$1,670 USD

Retailer 5$1,825 USD

Retailer 1$1,847 USD

Retailer 17$2,031 USD

Retailer 20$2,289 USD

Retailer 19$2,362 USD

Retailer 4$2,390 USD

Retailer 22$2,467 USD

Retailer 7$3,078 USD

Retailer 3$3,692 USD

Retailer 11$4,275 USD

Retailer 12$4,323 USD

Retailer 14$4,457 USD

Retailer 13$4,611 USD

Retailer 18$5,255 USD

25 data points across 22 retailers

23 retailers$1,099 USD to $7,200 USD

Cheapest Retailer

$1,099 USD

Retailer 2

$1,196 USD

View

Retailer 3

$1,275 USD

View

Retailer 4

$1,298 USD

View

Price last confirmed 15 days ago

Retailer 5

$1,320 USD

£1,039 GBP

View

Retailer 6

$1,450 USD

View

Retailer 7

$1,472 USD

HK$11,500 HKD

View

Retailer 8

$1,670 USD

View

B+

Retailer 9

$1,825 USD

View

Retailer 10

$1,847 USD

£1,455 GBP

View

Retailer 11

$2,031 USD

€1,934 EUR

View

Retailer 12

$2,289 USD

View

B+

Retailer 13

$2,362 USD

A$3,634 AUD

View

Retailer 14

$2,390 USD

View

B+

Retailer 15

$2,467 USD

ZAR 39,851 ZAR

View

B+

Retailer 16

$3,078 USD

View

B+

Retailer 17

$3,692 USD

View

B+

Retailer 18

$4,275 USD

SGD 5,777 SGD

View

Retailer 19

$4,323 USD

£3,404 GBP

View

B+

Retailer 20

$4,457 USD

View

Retailer 21

$4,611 USD

View

Retailer 22

$5,255 USD

A$8,085 AUD

View

Most Expensive

Brilliant Earth

21291996A · Oct 31

$7,200 USD

View

22 more retailers have this diamond

Prices start from $1,099 USDSave up to $6,101 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

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6.51ct Heart

$1,099 USD