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Cushion|Lab Grown|IGI

1.05ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG689561879

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689561879

Diamond specifications and retailer prices

From €629 EUR
As of November 2, 2026
16 retailers carry this diamond
Most expensive: €998 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG689561879 or 689561879. Listed at 16 retailers as of November 2, 2026. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689561879
Dimensions5.32 × 5.32 × 3.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
5.32 mm5.32 mm1.05 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689561879
Side View
Table 61.0%Crown 34.2°Girdle: STK-THKPavilion 36°Culet: NoneDepth 67.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: €998 EUR|Low: €163 EUR|High: €1,034 EUR|Avg: €509 EUR|-3.4%
Brilliant Earth
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
Retailer 16
Retailer 17
October 27, 2026
Retailer 4€165 EUR
Retailer 12€184 EUR
Retailer 14€309 EUR
Retailer 9€320 EUR
Retailer 11€323 EUR
Retailer 2€324 EUR
Retailer 17€331 EUR
Retailer 7€355 EUR
Retailer 15€400 EUR
Retailer 16€478 EUR
Retailer 6€539 EUR
Retailer 10€579 EUR
Retailer 8€617 EUR
Retailer 5€637 EUR
Retailer 13€857 EUR
Retailer 3€966 EUR
Brilliant Earth€998 EUR

36 data points across 17 retailers

16 retailers

Retailer 1
-
€184 EUR
Price last confirmed 11 days ago
Retailer 2
-
€309 EUR
View
Price last confirmed 13 days ago
Retailer 3
-
€320 EUR
View
Price last confirmed 9 days ago
Retailer 4
-
€323 EUR
View
Price last confirmed 9 days ago
Retailer 5
-
€324 EUR
View
Price last confirmed 9 days ago
Retailer 6
-
€331 EUR
View
Price last confirmed 11 days ago
Retailer 7
-
€355 EUR
View
Price last confirmed 22 days ago
Retailer 8
-
€400 EUR
View
Price last confirmed 10 days ago
Retailer 9
-
€478 EUR
View
Price last confirmed 10 days ago
Retailer 10
-
€539 EUR
View
Price last confirmed 22 days ago
Retailer 11
-
€579 EUR
View
Price last confirmed 9 days ago
B
Retailer 12
-
€629 EUR
View
Retailer 13
-
€637 EUR
View
Price last confirmed 9 days ago
Retailer 14
-
€857 EUR
View
Price last confirmed 10 days ago
Retailer 15
-
€966 EUR
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
20627856A · Oct 26
€998 EUR
$1,120 USD
View
Price last confirmed 9 days ago
15 more retailers have this diamond
Prices start from €629 EUR

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
1.05ct Cushion
€629 EUR