Round|Lab Grown|IGI

2.55ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG500150556

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500150556

Diamond specifications and retailer prices

From $1,420 USD

As of October 30, 2026

Save $8,298 USD (85%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: $9,718 USD at Cape Diamonds · As of October 29, 2026

View at Cape Diamonds

About this 2.55ct lab-grown round diamond

This 2.55ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG500150556 or 500150556. Listed at 13 retailers as of October 29, 2026, with prices from $1,420 to $9,718, a $8,298 spread on the same certified stone. Cape Diamonds lists it at $9,718. 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

2.55

Carat

Color

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.7°

Pavilion angle40.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG500150556

Dimensions8.75 × 8.68 × 5.35 mm

L/W Ratio1.01

Girdle conditionFaceted

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 LG500150556

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: $9,718 USD|Low: $1,420 USD|High: $10,167 USD|Avg: $5,154 USD|-4.4%

Cape Diamonds

Retailer 2

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October 30, 2026

Retailer 2$1,420 USD

Retailer 12$3,248 USD

Retailer 16$3,534 USD

Retailer 15$3,638 USD

Retailer 4$3,767 USD

Retailer 13$3,767 USD

Retailer 7$3,885 USD

Retailer 5$3,925 USD

Retailer 6$4,387 USD

Retailer 3$4,708 USD

Retailer 11$5,303 USD

Retailer 14$5,848 USD

Retailer 9$6,407 USD

Retailer 8$8,466 USD

Retailer 10$9,600 USD

Cape Diamonds$9,718 USD

38 data points across 16 retailers

13 retailers$1,420 USD to $9,718 USD

Cheapest Retailer

$1,420 USD

B+

Retailer 2

$3,248 USD

View

B+

Retailer 3

$3,534 USD

View

B+

Retailer 4

$3,638 USD

View

Final sale: no returns

B+

Retailer 5

$3,767 USD

View

Retailer 6

$3,767 USD

View

Price last confirmed 18 days ago

B+

Retailer 7

$3,925 USD

View

B+

Retailer 8

$4,708 USD

View

Retailer 9

$5,303 USD

View

Retailer 10

$5,848 USD

View

Retailer 11

$6,407 USD

£5,045 GBP

View

Retailer 12

$9,600 USD

£7,559 GBP

View

Most Expensive

Cape Diamonds

cert_500150556 · Oct 29

$9,718 USD

ZAR 156,999 ZAR

View

12 more retailers have this diamond

Prices start from $1,420 USDSave up to $8,298 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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