Radiant|Lab Grown|IGI

11.23ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG620445939

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG620445939

Diamond specifications and retailer prices

From $3,032 NZD

$1,706 USD

As of November 2, 2026

Save $15,701 NZD (84%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: $18,733 NZD at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 11.23ct lab-grown radiant diamond

This 11.23ct lab-grown radiant 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 LG620445939 or 620445939. Listed at 21 retailers as of November 2, 2026, with prices from $3,032 to $18,733, a $15,701 spread on the same certified stone. Brilliant Earth lists it at $18,733. 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

11.23

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.6°

Pavilion angle35.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG620445939

Dimensions15.76 × 10.97 × 7.45 mm

L/W Ratio1.44

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 LG620445939

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 2

Current: $18,733 NZD|Low: $2,839 NZD|High: $22,643 NZD|Avg: $6,878 NZD|-17.3%

Brilliant Earth

Retailer 2

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Retailer 4

Retailer 5

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Retailer 21

November 2, 2026

Retailer 21$2,839 NZD

Retailer 3$3,032 NZD

Retailer 18$3,299 NZD

Retailer 8$3,395 NZD

Retailer 5$3,517 NZD

Retailer 6$3,517 NZD

Retailer 17$3,821 NZD

Retailer 11$4,575 NZD

Retailer 13$4,945 NZD

Retailer 16$5,445 NZD

Retailer 9$5,524 NZD

Retailer 2$5,714 NZD

Retailer 19$6,064 NZD

Retailer 15$6,517 NZD

Retailer 4$6,592 NZD

Retailer 14$7,286 NZD

Retailer 10$9,478 NZD

Retailer 20$10,139 NZD

Retailer 7$10,167 NZD

Retailer 12$13,031 NZD

Brilliant Earth$18,733 NZD

41 data points across 21 retailers

21 retailers$3,032 NZD to $18,733 NZD

Retailer 1

$2,839 NZD

£1,258 GBP

Price last confirmed 16 days ago

Retailer 2

$3,032 NZD

$1,706 USD

View

Retailer 3

$3,299 NZD

$1,856 USD

View

Retailer 4

$3,517 NZD

$1,979 USD

View

Retailer 5

$3,517 NZD

$1,979 USD

View

Price last confirmed 22 days ago

Retailer 6

$3,821 NZD

$2,150 USD

View

Retailer 7

$4,575 NZD

$2,574 USD

View

Retailer 8

$4,945 NZD

£2,191 GBP

View

Retailer 9

$5,445 NZD

ZAR 49,491 ZAR

View

B+

Retailer 10

$5,524 NZD

$3,108 USD

View

Retailer 11

$5,714 NZD

€3,062 EUR

View

Retailer 12

$6,064 NZD

$3,412 USD

View

Retailer 13

$6,517 NZD

A$5,641 AUD

View

Retailer 14

$6,592 NZD

$3,709 USD

View

B+

Retailer 15

$7,286 NZD

£3,228 GBP

View

B+

Retailer 16

$9,478 NZD

$5,333 USD

View

Retailer 17

$10,139 NZD

$5,705 USD

View

Price last confirmed 12 days ago

Retailer 18

$10,167 NZD

$5,720 USD

View

Price last confirmed 22 days ago

Retailer 19

$12,339 NZD

$6,943 USD

View

Retailer 20

$13,031 NZD

$7,332 USD

View

Most Expensive

Brilliant Earth

9243981A · Nov 2

$18,733 NZD

$10,540 USD

View

20 more retailers have this diamond

Prices start from $3,032 NZDSave up to $15,701 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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