Oval|Lab Grown|IGI

2.51ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG706508588

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG706508588

Diamond specifications and retailer prices

From £502 GBP

A$1,028 AUD

As of October 27, 2026

15 retailers carry this diamond

Most expensive: £1,130 GBP at MOH London · As of October 19, 2026

View at MOH London

About this 2.51ct lab-grown oval diamond

This 2.51ct lab-grown oval sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG706508588 or 706508588. Listed at 15 retailers as of October 27, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.51

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.3°

Pavilion angle39.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG706508588

Dimensions11.29 × 7.46 × 4.48 mm

L/W Ratio1.51

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 LG706508588

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 27

Current: £1,130 GBP|Low: £217 GBP|High: £1,138 GBP|Avg: £463 GBP|+0.5%

MOH London

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

October 21, 2026

Retailer 13£226 GBP

Retailer 6£252 GBP

Retailer 4£262 GBP

Retailer 7£280 GBP

Retailer 14£280 GBP

Retailer 8£345 GBP

Retailer 2£413 GBP

Retailer 15£459 GBP

Retailer 10£463 GBP

Retailer 9£492 GBP

Retailer 11£502 GBP

Retailer 5£505 GBP

Retailer 12£861 GBP

Retailer 3£902 GBP

MOH London£1,130 GBP

37 data points across 15 retailers

15 retailers

Retailer 1

£226 GBP

$301 USD

Price last confirmed 11 days ago

Retailer 2

£262 GBP

$349 USD

View

Price last confirmed 16 days ago

Retailer 3

£280 GBP

$373 USD

View

Price last confirmed 11 days ago

Retailer 4

£280 GBP

$373 USD

View

Price last confirmed 14 days ago

Retailer 5

£345 GBP

View

Price last confirmed 10 days ago

Retailer 6

£413 GBP

$550 USD

View

Price last confirmed 9 days ago

Retailer 7

£459 GBP

$611 USD

View

Price last confirmed 12 days ago

Retailer 8

£492 GBP

View

Price last confirmed 10 days ago

Retailer 9

£502 GBP

A$1,028 AUD

View

Retailer 10

£505 GBP

$673 USD

View

Price last confirmed 10 days ago

Retailer 11

£705 GBP

$939 USD

View

Price last confirmed 10 days ago

Retailer 12

£861 GBP

$1,147 USD

View

Price last confirmed 10 days ago

Retailer 13

£902 GBP

$1,201 USD

View

Price last confirmed 11 days ago

Retailer 14

£937 GBP

$1,248 USD

View

Price last confirmed 10 days ago

Most Expensive

MOH London

LG706508588 · Oct 19

£1,130 GBP

View

Price last confirmed 11 days ago

14 more retailers have this diamond

Prices start from £502 GBP

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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2.51ct Oval

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