Marquise|Lab Grown|IGI

2.55ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG843654767

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843654767

Diamond specifications and retailer prices

From $1,202 USD

As of October 30, 2026

Save $3,684 USD (75%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $4,886 USD at Taylor and Hart · As of October 30, 2026

View at Taylor and Hart

About this 2.55ct lab-grown marquise diamond

This 2.55ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843654767 or 843654767. Listed at 18 retailers as of October 30, 2026, with prices from $1,202 to $4,886, a $3,684 spread on the same certified stone. Taylor and Hart lists it at $4,886. 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

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle39.5°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG843654767

Dimensions14.15 × 7.08 × 4.31 mm

L/W Ratio2.00

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG843654767

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: $1,414 USD|Low: $1,202 USD|High: $4,886 USD|Avg: $2,792 USD|-0.2%

Retailer 1

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Retailer 17

Taylor and Hart

October 30, 2026

Retailer 5$1,202 USD

Retailer 15$1,308 USD

Retailer 6$1,345 USD

Retailer 12$1,394 USD

Retailer 1$1,414 USD

Retailer 3$1,565 USD

Retailer 9$1,698 USD

Retailer 8$1,995 USD

Retailer 10$2,023 USD

Retailer 14$2,613 USD

Retailer 2$2,750 USD

Retailer 11$3,597 USD

Retailer 4$4,001 USD

Retailer 16$4,255 USD

Retailer 17$4,391 USD

Retailer 13$4,503 USD

Retailer 7$4,670 USD

Taylor and Hart$4,886 USD

5 data points across 18 retailers

18 retailers$1,202 USD to $4,886 USD

Cheapest Retailer

$1,202 USD

Retailer 2

$1,308 USD

View

Retailer 3

$1,345 USD

View

Final sale: no returns

Retailer 4

$1,394 USD

View

Retailer 5

$1,414 USD

£1,114 GBP

View

Retailer 6

$1,565 USD

View

Retailer 7

$1,698 USD

View

Retailer 8

$1,995 USD

View

Retailer 9

$2,023 USD

£1,593 GBP

View

Retailer 10

$2,613 USD

View

Retailer 11

$2,750 USD

View

Retailer 12

$3,597 USD

ZAR 58,110 ZAR

View

B+

Retailer 13

$4,001 USD

View

B+

Retailer 14

$4,255 USD

View

B+

Retailer 15

$4,391 USD

View

B+

Retailer 16

$4,503 USD

£3,546 GBP

View

B+

Retailer 17

$4,670 USD

SGD 6,311 SGD

View

Most Expensive

B+

Taylor and Hart

9Q8TXPG · Oct 30

$4,886 USD

View

17 more retailers have this diamond

Prices start from $1,202 USDSave up to $3,684 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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2.55ct Marquise

$1,202 USD