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Cushion|Lab Grown|IGI

4.94ct D VS1 Cushion Lab Grown Diamond

VG • D/VS1 • IGI LG750516391

Certificate IGI LG750516391

Diamond specifications and retailer prices

From £4,347 GBP
$5,825 USD
As of October 31, 2026
Save £1,899 GBP (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £6,247 GBP at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

About this 4.94ct lab-grown cushion diamond

This 4.94ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG750516391 or 750516391. Listed at 4 retailers as of October 30, 2026, with prices from £4,347 to £6,247, a £1,899 spread on the same certified stone. Kay Jewelers lists it at £6,247. 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

4.94
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG750516391
Dimensions12.56 × 8.97 × 5.87 mm
L/W Ratio1.40
Top View
12.56 mm8.97 mm4.94 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750516391
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £6,247 GBP|Low: £4,347 GBP|High: £6,627 GBP|Avg: £5,972 GBP|-5.7%
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
September 26, 2026
Retailer 2£4,347 GBP
Retailer 4£5,209 GBP
Kay Jewelers£6,247 GBP
Retailer 3£6,247 GBP

9 data points across 4 retailers

4 retailers£4,347 GBP to £6,247 GBP

B
Cheapest Retailer
-
£4,347 GBP
$5,825 USD
B
Retailer 2
-
£5,209 GBP
$6,980 USD
View
B
Retailer 3
-
£6,247 GBP
$8,370 USD
View
Most Expensive
B
Kay Jewelers
257796352 · Oct 30
£6,247 GBP
$8,370 USD
View
3 more retailers have this diamond
Prices start from £4,347 GBPSave up to £1,899 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
4.94ct Cushion
£4,347 GBP