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Cushion|Lab Grown|IGI

3.03ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG842620171

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG842620171

Diamond specifications and retailer prices

From £399 GBP
$532 USD
As of October 27, 2026
Save £2,487 GBP (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,887 GBP at Helzberg Diamonds · As of October 28, 2026
View at Helzberg Diamonds

About this 3.03ct lab-grown cushion diamond

This 3.03ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842620171 or 842620171. Listed at 19 retailers as of October 27, 2026, with prices from £399 to £2,887, a £2,487 spread on the same certified stone. Helzberg Diamonds lists it at £2,887. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.03
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842620171
Dimensions8.44 × 9.07 × 5.51 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.44 mm9.07 mm3.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842620171
Side View
Table 62.0%Crown 36°Girdle: ThickPavilion 40.9°Culet: NoneDepth 65.3%

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: Oct 27
Current: £2,887 GBP|Low: £399 GBP|High: £2,887 GBP|Avg: £1,109 GBP
Helzberg Diamonds
Retailer 2
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Retailer 19
October 29, 2026
Retailer 9£399 GBP
Retailer 3£443 GBP
Retailer 17£490 GBP
Retailer 13£508 GBP
Retailer 14£548 GBP
Retailer 2£670 GBP
Retailer 5£692 GBP
Retailer 4£721 GBP
Retailer 12£732 GBP
Retailer 18£943 GBP
Retailer 16£953 GBP
Retailer 19£965 GBP
Retailer 11£1,433 GBP
Retailer 8£1,446 GBP
Retailer 10£1,448 GBP
Retailer 6£1,557 GBP
Retailer 15£1,630 GBP
Retailer 7£1,657 GBP
Helzberg Diamonds£2,887 GBP

16 data points across 19 retailers

19 retailers£399 GBP to £2,887 GBP

A
Cheapest Retailer
-
£399 GBP
$532 USD
Final sale: no returns
A
Retailer 2
-
£443 GBP
$590 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
£490 GBP
HK$5,100 HKD
View
A
Retailer 4
-
£508 GBP
View
A
Retailer 5
-
£548 GBP
$730 USD
View
A
Retailer 6
-
£670 GBP
€850 EUR
View
A
Retailer 7
-
£692 GBP
$922 USD
View
A
Retailer 8
-
£721 GBP
$960 USD
View
A
Retailer 9
-
£732 GBP
View
A
Retailer 10
-
£943 GBP
A$1,931 AUD
View
Price last confirmed 9 days ago
A
Retailer 11
-
£953 GBP
ZAR 20,505 ZAR
View
A
Retailer 12
-
£965 GBP
$1,285 USD
View
B+
Retailer 13
-
£1,433 GBP
SGD 2,578 SGD
View
B+
Retailer 14
-
£1,446 GBP
$1,925 USD
View
B+
Retailer 15
-
£1,448 GBP
$1,928 USD
View
B+
Retailer 16
-
£1,557 GBP
$2,074 USD
View
B+
Retailer 17
-
£1,630 GBP
View
B+
Retailer 18
-
£1,657 GBP
$2,207 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKIMIGHNH · Oct 28
£2,887 GBP
$3,844 USD
View
18 more retailers have this diamond
Prices start from £399 GBPSave up to £2,487 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
3.03ct Cushion
£399 GBP