Cushion|Lab Grown|IGI

6.86ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG778629585

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778629585

Diamond specifications and retailer prices

From $3,066 NZD

$1,725 USD

As of November 3, 2026

Save $13,303 NZD (81%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $16,369 NZD at Do Amore Diamonds · As of November 2, 2026

View at Do Amore Diamonds

About this 6.86ct lab-grown cushion diamond

This 6.86ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778629585 or 778629585. Listed at 22 retailers as of November 2, 2026, with prices from $3,066 to $16,369, a $13,303 spread on the same certified stone. Do Amore Diamonds lists it at $16,369. 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

6.86

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle39°

Pavilion angle34.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG778629585

Dimensions12.53 × 9.58 × 6.29 mm

L/W Ratio1.31

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 LG778629585

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: $16,369 NZD|Low: $2,470 NZD|High: $18,591 NZD|Avg: $6,544 NZD|-12.0%

Do Amore Diamonds

Retailer 2

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November 3, 2026

Retailer 10$2,470 NZD

Retailer 6$3,066 NZD

Retailer 17$3,207 NZD

Retailer 22$3,432 NZD

Retailer 4$3,640 NZD

Retailer 2$4,259 NZD

Retailer 21$4,354 NZD

Retailer 3$4,472 NZD

Retailer 19$4,637 NZD

Retailer 16$4,976 NZD

Retailer 18$5,645 NZD

Retailer 20$5,894 NZD

Retailer 5$7,367 NZD

Retailer 7$7,438 NZD

Retailer 13$8,699 NZD

Retailer 12$9,061 NZD

Retailer 11$9,446 NZD

Retailer 8$10,544 NZD

Retailer 9$10,778 NZD

Retailer 15$11,936 NZD

Retailer 14$12,334 NZD

Do Amore Diamonds$16,369 NZD

25 data points across 22 retailers

22 retailers$3,066 NZD to $16,369 NZD

Retailer 1

$2,470 NZD

$1,390 USD

Price last confirmed 21 days ago

Retailer 2

$3,066 NZD

$1,725 USD

View

Retailer 3

$3,207 NZD

£1,421 GBP

View

Retailer 4

$3,432 NZD

$1,931 USD

View

Retailer 5

$3,640 NZD

HK$16,000 HKD

View

B+

Retailer 6

$4,259 NZD

£1,887 GBP

View

B+

Retailer 7

$4,354 NZD

$2,450 USD

View

Retailer 8

$4,472 NZD

$2,516 USD

View

B+

Retailer 9

$4,637 NZD

€2,485 EUR

View

B+

Retailer 10

$4,976 NZD

$2,800 USD

View

B+

Retailer 11

$5,645 NZD

A$4,886 AUD

View

B+

Retailer 12

$5,894 NZD

ZAR 53,579 ZAR

View

Retailer 13

$6,839 NZD

$3,848 USD

View

Price last confirmed 19 days ago

Retailer 14

$7,367 NZD

£3,264 GBP

View

B+

Retailer 15

$7,438 NZD

$4,185 USD

View

Retailer 16

$8,699 NZD

£3,854 GBP

View

Retailer 17

$9,061 NZD

A$7,843 AUD

View

Price last confirmed 29 days ago

Retailer 18

$9,446 NZD

$5,315 USD

View

Price last confirmed 19 days ago

Retailer 19

$10,544 NZD

SGD 8,017 SGD

View

Retailer 20

$10,778 NZD

$6,064 USD

View

Retailer 21

$12,334 NZD

$6,940 USD

View

Price last confirmed 18 days ago

Most Expensive

Do Amore Diamonds

27-1D207034A · Nov 2

$16,369 NZD

$9,210 USD

View

21 more retailers have this diamond

Prices start from $3,066 NZDSave up to $13,303 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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6.86ct Cushion

$3,066 NZD