Cushion|Lab Grown|IGI

13.03ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG629479692

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG629479692

Diamond specifications and retailer prices

From £2,067 GBP
As of November 2, 2026
Save £6,894 GBP (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £8,962 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 13.03ct lab-grown cushion diamond

This 13.03ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG629479692 or 629479692. Listed at 13 retailers as of October 31, 2026, with prices from £2,067 to £8,962, a £6,894 spread on the same certified stone. Taylor and Hart lists it at £8,962. 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

13.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629479692
Dimensions13.72 × 13.00 × 8.25 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Top View
13.72 mm13.00 mm13.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629479692
Side View
Table 60.0%Crown 33.2°Girdle: THK-VTKPavilion 31.2°Culet: NoneDepth 63.5%

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 2
Current: £3,326 GBP|Low: £2,067 GBP|High: £14,188 GBP|Avg: £4,385 GBP|-3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6£2,067 GBP
Retailer 2£2,485 GBP
Retailer 11£2,574 GBP
Retailer 4£2,911 GBP
Retailer 8£3,305 GBP
Retailer 1£3,326 GBP
Retailer 7£3,450 GBP
Retailer 12£4,000 GBP
Retailer 5£4,087 GBP
Retailer 3£7,146 GBP
Retailer 9£7,519 GBP
Retailer 10£8,793 GBP

43 data points across 12 retailers

13 retailers£2,067 GBP to £8,962 GBP

A
Cheapest Retailer
-
£2,067 GBP
A
Retailer 2
-
£2,485 GBP
$3,335 USD
View
Final sale: no returns
Retailer 3
-
£2,574 GBP
$3,454 USD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
£2,911 GBP
$3,907 USD
View
B+
Retailer 5
-
£3,305 GBP
$4,435 USD
View
B+
Retailer 6
-
£3,326 GBP
$4,463 USD
View
B+
Retailer 7
-
£3,450 GBP
View
B+
Retailer 8
-
£4,000 GBP
$5,368 USD
View
B+
Retailer 9
-
£4,087 GBP
€5,223 EUR
View
B
Retailer 10
-
£7,146 GBP
$9,590 USD
View
B
Retailer 11
-
£7,519 GBP
$10,090 USD
View
B
Retailer 12
-
£8,793 GBP
$11,800 USD
View
Most Expensive
B
Taylor and Hart
KYKWUB3 · Oct 31
£8,962 GBP
$12,026 USD
View
12 more retailers have this diamond
Prices start from £2,067 GBPSave up to £6,894 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
13.03ct Cushion
£2,067 GBP