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Cushion|Lab Grown|IGI

1.05ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG836619408

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836619408

Diamond specifications and retailer prices

From £178 GBP
$238 USD
As of October 25, 2026
Save £905 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,082 GBP at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836619408 or 836619408. Listed at 17 retailers as of October 25, 2026, with prices from £178 to £1,082, a £905 spread on the same certified stone. Helzberg Diamonds lists it at £1,082. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619408
Dimensions7.70 × 5.10 × 3.40 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.70 mm5.10 mm1.05 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619408
Side View
Table 62.0%Crown 39°Girdle: MED-THKPavilion 36.7°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: £1,082 GBP|Low: £169 GBP|High: £1,082 GBP|Avg: £479 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 31, 2026
Retailer 8£169 GBP
Retailer 5£178 GBP
Retailer 11£203 GBP
Retailer 14£305 GBP
Retailer 12£306 GBP
Retailer 4£310 GBP
Retailer 2£323 GBP
Retailer 3£339 GBP
Retailer 16£356 GBP
Retailer 15£433 GBP
Retailer 10£454 GBP
Retailer 6£484 GBP
Retailer 17£611 GBP
Retailer 7£720 GBP
Retailer 9£828 GBP
Retailer 13£834 GBP
Helzberg Diamonds£1,082 GBP

30 data points across 17 retailers

17 retailers£178 GBP to £1,082 GBP

Retailer 1
-
£169 GBP
$227 USD
Price last confirmed 26 days ago
Final sale: no returns
A
Retailer 2
-
£178 GBP
$238 USD
View
A
Retailer 3
-
£203 GBP
View
A
Retailer 4
-
£305 GBP
ZAR 6,598 ZAR
View
A
Retailer 5
-
£306 GBP
€390 EUR
View
A
Retailer 6
-
£310 GBP
$415 USD
View
A
Retailer 7
-
£323 GBP
View
A
Retailer 8
-
£339 GBP
$454 USD
View
A
Retailer 9
-
£356 GBP
$477 USD
View
B+
Retailer 10
-
£433 GBP
A$893 AUD
View
B+
Retailer 11
-
£454 GBP
$608 USD
View
B+
Retailer 12
-
£484 GBP
SGD 877 SGD
View
B+
Retailer 13
-
£611 GBP
$818 USD
View
Retailer 14
-
£720 GBP
$965 USD
View
Price last confirmed 12 days ago
Retailer 15
-
£828 GBP
$1,110 USD
View
Price last confirmed 29 days ago
B
Retailer 16
-
£834 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHPKGO · Oct 31
£1,082 GBP
$1,450 USD
View
16 more retailers have this diamond
Prices start from £178 GBPSave up to £905 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
1.05ct Cushion
£178 GBP