Cushion|Lab Grown|IGI

0.94ct D SI1 Cushion Lab Grown Diamond

VG • D/SI1 • IGI LG576348153

Certificate IGI LG576348153

Diamond specifications and retailer prices

From £378 GBP
$506 USD
As of October 31, 2026
Save £152 GBP (29%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £530 GBP at Zales · As of October 30, 2026
View at Zales

About this 0.94ct lab-grown cushion diamond

This 0.94ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG576348153 or 576348153. Listed at 4 retailers as of October 30, 2026, with prices from £378 to £530, a £152 spread on the same certified stone. Zales lists it at £530. 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

0.94
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG576348153
Dimensions7.29 × 5.02 × 3.45 mm
L/W Ratio1.45
Top View
7.29 mm5.02 mm0.94 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576348153
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.7%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £378 GBP|Low: £378 GBP|High: £657 GBP|Avg: £559 GBP
Retailer 1
Retailer 2
Retailer 3
Zales
September 26, 2026
Retailer 1£378 GBP
Retailer 3£448 GBP
Retailer 2£530 GBP
Zales£530 GBP

11 data points across 4 retailers

4 retailers£378 GBP to £530 GBP

B+
Cheapest Retailer
-
£378 GBP
$506 USD
B
Retailer 2
-
£448 GBP
$600 USD
View
B
Retailer 3
-
£530 GBP
$710 USD
View
Most Expensive
B
Zales
517316016 · Oct 30
£530 GBP
$710 USD
View
3 more retailers have this diamond
Prices start from £378 GBPSave up to £152 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+
0.94ct Cushion
£378 GBP