Cushion|Lab Grown|IGI

45.10ct FANCY BLUE VS2 Cushion Lab Grown Diamond

FANCY BLUE/VS2 • IGI LG804621555

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG804621555

Diamond specifications and retailer prices

From £30,525 GBP
$40,649 USD
As of October 29, 2026
Save £29,318 GBP (49%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £59,842 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 45.1ct lab-grown cushion diamond

This 45.1ct lab-grown cushion sits in the over five carat band, graded FANCY BLUE colour (tinted) and VS2 clarity (very-slightly-included) and certified by IGI LG804621555 or 804621555. Listed at 4 retailers as of October 29, 2026, with prices from £30,525 to £59,842, a £29,318 spread on the same certified stone. Taylor and Hart lists it at £59,842. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

45.10
Carat
FANCY BLUE
Colour
VS2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804621555
Dimensions21.49 × 20.53 × 11.65 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Indications of post-growth treatment.
Top View
21.49 mm20.53 mm45.10 ctFANCY BLUE / VS2
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804621555
Side View
Table 60.0%Crown 34.1°Girdle: THK-VTKPavilion 30°CuletDepth 56.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £53,735 GBP|Low: £19,984 GBP|High: £59,842 GBP|Avg: £44,669 GBP|+3.7%
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
October 29, 2026
Retailer 2£27,980 GBP
Retailer 3£30,525 GBP
Retailer 1£53,735 GBP
Taylor and Hart£59,842 GBP

17 data points across 4 retailers

4 retailers£30,525 GBP to £59,842 GBP

Retailer 1
-
£27,980 GBP
$37,261 USD
Price last confirmed 17 days ago
B+
Retailer 2
-
£30,525 GBP
$40,649 USD
View
Final sale: no returns
B
Retailer 3
-
£53,735 GBP
€68,151 EUR
View
Most Expensive
B
Taylor and Hart
5VJYG6V · Oct 30
£59,842 GBP
$79,691 USD
View
3 more retailers have this diamond
Prices start from £30,525 GBPSave up to £29,318 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.

B+
45.10ct Cushion
£30,525 GBP