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Cushion|Lab Grown|IGI

1.45ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG674551670

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG674551670

Diamond specifications and retailer prices

From €217 EUR
As of November 4, 2026
Save €1,097 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,314 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.45ct lab-grown cushion diamond

This 1.45ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG674551670 or 674551670. Listed at 17 retailers as of November 4, 2026, with prices from €217 to €1,314, a €1,097 spread on the same certified stone. Brilliant Earth lists it at €1,314. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674551670
Dimensions6.53 × 6.53 × 4.41 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
6.53 mm6.53 mm1.45 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674551670
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 67.5%

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: Nov 4
Current: €1,314 EUR|Low: €241 EUR|High: €1,420 EUR|Avg: €599 EUR|-5.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3€241 EUR
Retailer 4€320 EUR
Retailer 11€324 EUR
Retailer 7€415 EUR
Retailer 8€437 EUR
Retailer 5€442 EUR
Retailer 6€588 EUR
Retailer 10€610 EUR
Retailer 9€790 EUR
Retailer 2€961 EUR
Brilliant Earth€1,314 EUR

43 data points across 11 retailers

17 retailers€217 EUR to €1,314 EUR

A
Cheapest Retailer
-
€217 EUR
Final sale: no returns
Retailer 2
-
€241 EUR
View
Price last confirmed 11 days ago
A
Retailer 3
-
€320 EUR
View
B+
Retailer 4
-
€324 EUR
View
A
Retailer 5
-
€415 EUR
View
A
Retailer 6
-
€437 EUR
View
A
Retailer 7
-
€442 EUR
View
A
Retailer 8
-
€464 EUR
View
B+
Retailer 9
-
€566 EUR
View
A
Retailer 10
-
€588 EUR
View
B+
Retailer 11
-
€610 EUR
View
Retailer 12
-
€790 EUR
View
Price last confirmed 17 days ago
B+
Retailer 13
-
€820 EUR
View
Retailer 14
-
€833 EUR
View
Price last confirmed 88 days ago
B
Retailer 15
-
€961 EUR
View
B
Retailer 16
-
€1,112 EUR
View
Most Expensive
B
Brilliant Earth
21311737A · Nov 4
€1,314 EUR
$1,480 USD
View
16 more retailers have this diamond
Prices start from €217 EURSave up to €1,097 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.

A
1.45ct Cushion
€217 EUR