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Cushion|Lab Grown|IGI

1.54ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG686508562

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG686508562

Diamond specifications and retailer prices

From $366 SGD
$286 USD
As of October 30, 2026
Save $2,127 SGD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,493 SGD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG686508562 or 686508562. Listed at 18 retailers as of October 24, 2026, with prices from $366 to $2,493, a $2,127 spread on the same certified stone. Brilliant Earth lists it at $2,493. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG686508562
Dimensions6.83 × 6.67 × 4.36 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm6.67 mm1.54 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG686508562
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 65.4%

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: Oct 30
Current: $2,493 SGD|Low: $300 SGD|High: $2,621 SGD|Avg: $993 SGD|-4.9%
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
Retailer 18
October 30, 2026
Retailer 7$366 SGD
Retailer 3$405 SGD
Retailer 10$458 SGD
Retailer 15$556 SGD
Retailer 11$616 SGD
Retailer 8$675 SGD
Retailer 5$690 SGD
Retailer 13$695 SGD
Retailer 2$772 SGD
Retailer 18$839 SGD
Retailer 14$943 SGD
Retailer 16$1,317 SGD
Retailer 6$1,367 SGD
Retailer 17$1,452 SGD
Retailer 4$1,593 SGD
Retailer 12$1,630 SGD
Retailer 9$1,751 SGD
Brilliant Earth$2,493 SGD

39 data points across 18 retailers

18 retailers$366 SGD to $2,493 SGD

A
Cheapest Retailer
-
$366 SGD
$286 USD
Final sale: no returns
Retailer 2
-
$405 SGD
$317 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$458 SGD
£282 GBP
View
Price last confirmed 20 days ago
A
Retailer 4
-
$556 SGD
$435 USD
View
A
Retailer 5
-
$616 SGD
€459 EUR
View
A
Retailer 6
-
$675 SGD
$528 USD
View
A
Retailer 7
-
$690 SGD
$540 USD
View
A
Retailer 8
-
$695 SGD
ZAR 8,786 ZAR
View
B+
Retailer 9
-
$772 SGD
£475 GBP
View
B+
Retailer 10
-
$839 SGD
$656 USD
View
B+
Retailer 11
-
$943 SGD
A$1,135 AUD
View
Retailer 12
-
$1,317 SGD
$1,030 USD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$1,367 SGD
$1,069 USD
View
B
Retailer 14
-
$1,452 SGD
$1,136 USD
View
B
Retailer 15
-
$1,593 SGD
$1,246 USD
View
B
Retailer 16
-
$1,630 SGD
£1,004 GBP
View
B
Retailer 17
-
$1,751 SGD
$1,370 USD
View
Most Expensive
B
Brilliant Earth
13282665A · Oct 24
$2,493 SGD
$1,950 USD
View
17 more retailers have this diamond
Prices start from $366 SGDSave up to $2,127 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
1.54ct Cushion
$366 SGD