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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 $286 SGD
$224 USD
As of November 1, 2026
Save $2,169 SGD (88%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,455 SGD 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 $286 to $2,455, a $2,169 spread on the same certified stone. Do Amore Diamonds lists it at $2,455. 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
Colour
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

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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: $2,455 SGD|Low: $212 SGD|High: $2,507 SGD|Avg: $1,042 SGD|-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$286 SGD
Retailer 8$551 SGD
Retailer 3$623 SGD
Retailer 10$629 SGD
Retailer 13$742 SGD
Retailer 12$817 SGD
Retailer 6$855 SGD
Retailer 7$991 SGD
Retailer 5$1,134 SGD
Retailer 2$1,402 SGD
Retailer 11$1,422 SGD
Retailer 4$1,637 SGD
Do Amore Diamonds$2,455 SGD

18 data points across 13 retailers

7 retailers$286 SGD to $2,455 SGD

A
Cheapest Retailer
-
$286 SGD
$224 USD
Final sale: no returns
B+
Retailer 2
-
$551 SGD
$431 USD
View
B+
Retailer 3
-
$755 SGD
$590 USD
View
B+
Retailer 4
-
$855 SGD
A$1,029 AUD
View
B+
Retailer 5
-
$991 SGD
$775 USD
View
B
Retailer 6
-
$1,402 SGD
£863 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5F5ADE025 · Nov 2
$2,455 SGD
$1,920 USD
View
6 more retailers have this diamond
Prices start from $286 SGDSave up to $2,169 SGD

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
$286 SGD