CaratHunter
Plans
Cushion|Lab Grown|IGI

1.01ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG830619059

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830619059

Diamond specifications and retailer prices

From £143 GBP
$192 USD
As of November 1, 2026
Save £681 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £824 GBP at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830619059 or 830619059. Listed at 15 retailers as of November 1, 2026, with prices from £143 to £824, a £681 spread on the same certified stone. Helzberg Diamonds lists it at £824. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830619059
Dimensions7.25 × 4.98 × 3.34 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.25 mm4.98 mm1.01 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830619059
Side View
Table 59.0%Crown 34.1°Girdle: MED-THKPavilion 36.3°Culet: NoneDepth 67.1%

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 1
Current: £824 GBP|Low: £120 GBP|High: £824 GBP|Avg: £378 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 3, 2026
Retailer 10£143 GBP
Retailer 8£194 GBP
Retailer 4£241 GBP
Retailer 13£270 GBP
Retailer 11£273 GBP
Retailer 3£282 GBP
Retailer 2£283 GBP
Retailer 14£338 GBP
Retailer 7£361 GBP
Retailer 9£386 GBP
Retailer 6£433 GBP
Retailer 5£550 GBP
Retailer 15£551 GBP
Retailer 12£740 GBP
Helzberg Diamonds£824 GBP

7 data points across 15 retailers

15 retailers£143 GBP to £824 GBP

A
Cheapest Retailer
-
£143 GBP
$192 USD
Final sale: no returns
A
Retailer 2
-
£194 GBP
View
A
Retailer 3
-
£241 GBP
$323 USD
View
A
Retailer 4
-
£270 GBP
€345 EUR
View
A
Retailer 5
-
£273 GBP
ZAR 5,925 ZAR
View
A
Retailer 6
-
£282 GBP
$379 USD
View
A
Retailer 7
-
£283 GBP
View
B+
Retailer 8
-
£338 GBP
$453 USD
View
B+
Retailer 9
-
£361 GBP
$485 USD
View
B+
Retailer 10
-
£386 GBP
A$797 AUD
View
B
Retailer 11
-
£433 GBP
SGD 786 SGD
View
B
Retailer 12
-
£550 GBP
$738 USD
View
B
Retailer 13
-
£551 GBP
$740 USD
View
B
Retailer 14
-
£740 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOJGMHPGLP · Nov 1
£824 GBP
$1,106 USD
View
14 more retailers have this diamond
Prices start from £143 GBPSave up to £681 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
1.01ct Cushion
£143 GBP