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Cushion|Lab Grown|IGI

3.00ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG529263369

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG529263369

Diamond specifications and retailer prices

From £323 GBP
As of November 6, 2026
Save £2,239 GBP (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,563 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG529263369 or 529263369. Listed at 13 retailers as of November 6, 2026, with prices from £323 to £2,563, a £2,239 spread on the same certified stone. Do Amore Diamonds lists it at £2,563. 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

3.00
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529263369
Dimensions9.18 × 7.79 × 4.98 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.18 mm7.79 mm3.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529263369
Side View
Table 60.0%Crown 37.5°Girdle: MED-VTKPavilion 35.1°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
A
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 6
Current: £2,563 GBP|Low: £323 GBP|High: £2,675 GBP|Avg: £1,048 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 4£323 GBP
Retailer 7£358 GBP
Retailer 11£464 GBP
Retailer 8£467 GBP
Retailer 3£582 GBP
Retailer 10£585 GBP
Retailer 2£645 GBP
Retailer 12£1,330 GBP
Retailer 13£1,383 GBP
Retailer 9£1,423 GBP
Retailer 6£1,448 GBP
Retailer 5£2,309 GBP
Do Amore Diamonds£2,563 GBP

42 data points across 13 retailers

13 retailers£323 GBP to £2,563 GBP

A
Cheapest Retailer
-
£323 GBP
Final sale: no returns
Retailer 2
-
£358 GBP
View
Price last confirmed 12 days ago
B+
Retailer 3
-
£464 GBP
View
A
Retailer 4
-
£467 GBP
View
A
Retailer 5
-
£582 GBP
View
A
Retailer 6
-
£585 GBP
View
A
Retailer 7
-
£645 GBP
View
Retailer 8
-
£648 GBP
View
Price last confirmed 23 days ago
B+
Retailer 9
-
£1,330 GBP
View
B+
Retailer 10
-
£1,383 GBP
View
Retailer 11
-
£1,423 GBP
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£1,448 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E5C413756 · Nov 6
£2,563 GBP
$3,430 USD
View
12 more retailers have this diamond
Prices start from £323 GBPSave up to £2,239 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.

A
3.00ct Cushion
£323 GBP