Cushion|Lab Grown|IGI

10.11ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG678548665

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG678548665

Diamond specifications and retailer prices

From $1,638 USD

£1,289 GBP

As of October 30, 2026

Save $7,122 USD (81%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $8,760 USD at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 10.11ct lab-grown cushion diamond

This 10.11ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678548665 or 678548665. Listed at 16 retailers as of October 30, 2026, with prices from $1,638 to $8,760, a $7,122 spread on the same certified stone. Brilliant Earth lists it at $8,760. 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

10.11

Carat

Color

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.4°

Pavilion angle36.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG678548665

Dimensions14.80 × 11.23 × 7.60 mm

L/W Ratio1.32

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 LG678548665

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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

Price History

Last verified: Oct 30

Current: $8,760 USD|Low: $1,638 USD|High: $8,760 USD|Avg: $3,952 USD

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

Retailer 14

Retailer 15

Retailer 16

October 31, 2026

Retailer 9$1,638 USD

Retailer 7$1,839 USD

Retailer 13$2,000 USD

Retailer 3$2,112 USD

Retailer 2$2,592 USD

Retailer 12$2,832 USD

Retailer 5$2,835 USD

Retailer 8$2,893 USD

Retailer 6$3,413 USD

Retailer 14$4,420 USD

Retailer 15$4,609 USD

Retailer 4$5,505 USD

Retailer 11$6,010 USD

Retailer 16$6,112 USD

Retailer 10$6,428 USD

Brilliant Earth$8,760 USD

34 data points across 16 retailers

16 retailers$1,638 USD to $8,760 USD

Cheapest Retailer

$1,638 USD

£1,289 GBP

Retailer 2

$1,839 USD

View

Price last confirmed 18 days ago

Retailer 3

$2,000 USD

View

Retailer 4

$2,112 USD

HK$16,500 HKD

View

Retailer 5

$2,592 USD

£2,041 GBP

View

Retailer 6

$2,832 USD

ZAR 45,756 ZAR

View

Retailer 7

$2,835 USD

€2,700 EUR

View

B+

Retailer 8

$2,893 USD

View

Retailer 9

$3,413 USD

A$5,250 AUD

View

Price last confirmed 9 days ago

B+

Retailer 10

$4,420 USD

£3,480 GBP

View

B+

Retailer 11

$4,609 USD

View

B+

Retailer 12

$5,505 USD

View

B+

Retailer 13

$6,010 USD

View

B+

Retailer 14

$6,112 USD

SGD 8,260 SGD

View

B+

Retailer 15

$6,428 USD

View

Most Expensive

Brilliant Earth

22254928A · Oct 30

$8,760 USD

View

15 more retailers have this diamond

Prices start from $1,638 USDSave up to $7,122 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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