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Cushion|Lab Grown|IGI

1.45ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG618405017

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG618405017

Diamond specifications and retailer prices

From $224 USD
As of November 1, 2026
Save $1,696 USD (88%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,920 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618405017 or 618405017. Listed at 7 retailers as of November 1, 2026, with prices from $224 to $1,920, a $1,696 spread on the same certified stone. Do Amore Diamonds lists it at $1,920. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618405017
Dimensions6.51 × 6.49 × 4.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.51 mm6.49 mm1.45 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618405017
Side View
Table 60.0%Crown 33.8°Girdle: STK-THKPavilion 39.1°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: Nov 1
Current: $1,920 USD|Low: $166 USD|High: $1,960 USD|Avg: $815 USD|-2.0%
Do Amore 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
November 1, 2026
Retailer 9$224 USD
Retailer 8$431 USD
Retailer 3$487 USD
Retailer 10$492 USD
Retailer 13$580 USD
Retailer 12$639 USD
Retailer 6$669 USD
Retailer 7$775 USD
Retailer 5$886 USD
Retailer 2$1,096 USD
Retailer 11$1,112 USD
Retailer 4$1,280 USD
Do Amore Diamonds$1,920 USD

18 data points across 13 retailers

7 retailers$224 USD to $1,920 USD

A
Cheapest Retailer
-
$224 USD
Final sale: no returns
B+
Retailer 2
-
$431 USD
View
B+
Retailer 3
-
$590 USD
View
B+
Retailer 4
-
$669 USD
A$1,029 AUD
View
B+
Retailer 5
-
$775 USD
View
B
Retailer 6
-
$1,096 USD
£863 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5F5ADE025 · Nov 2
$1,920 USD
View
6 more retailers have this diamond
Prices start from $224 USDSave up to $1,696 USD

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
$224 USD