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Cushion|Lab Grown|IGI

1.55ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG816638154

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG816638154

Diamond specifications and retailer prices

From $342 SGD
$267 USD
As of October 30, 2026
Save $1,811 SGD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,153 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816638154 or 816638154. Listed at 18 retailers as of October 29, 2026, with prices from $342 to $2,153, a $1,811 spread on the same certified stone. Brilliant Earth lists it at $2,153. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816638154
Dimensions6.51 × 6.39 × 4.56 mm
L/W Ratio1.02
Girdle conditionFaceted
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
6.51 mm6.39 mm1.55 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816638154
Side View
Table 58.0%Crown 32.8°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 71.4%

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: $2,153 SGD|Low: $342 SGD|High: $2,217 SGD|Avg: $1,019 SGD|-2.9%
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
October 30, 2026
Retailer 4$342 SGD
Retailer 6$381 SGD
Retailer 2$404 SGD
Retailer 10$513 SGD
Retailer 9$627 SGD
Retailer 11$655 SGD
Retailer 8$722 SGD
Retailer 7$801 SGD
Retailer 12$888 SGD
Retailer 13$1,004 SGD
Retailer 15$1,535 SGD
Retailer 3$1,551 SGD
Retailer 5$1,693 SGD
Retailer 14$1,717 SGD
Brilliant Earth$2,153 SGD

41 data points across 15 retailers

18 retailers$342 SGD to $2,153 SGD

A
Cheapest Retailer
-
$342 SGD
$267 USD
Final sale: no returns
Retailer 2
-
$381 SGD
$297 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$404 SGD
£248 GBP
View
B+
Retailer 4
-
$513 SGD
$400 USD
View
A
Retailer 5
-
$627 SGD
€466 EUR
View
A
Retailer 6
-
$655 SGD
ZAR 8,255 ZAR
View
A
Retailer 7
-
$722 SGD
£443 GBP
View
A
Retailer 8
-
$801 SGD
$625 USD
View
A
Retailer 9
-
$828 SGD
$646 USD
View
A
Retailer 10
-
$888 SGD
A$1,066 AUD
View
B+
Retailer 11
-
$1,004 SGD
$783 USD
View
B+
Retailer 12
-
$1,229 SGD
View
B+
Retailer 13
-
$1,292 SGD
$1,008 USD
View
B+
Retailer 14
-
$1,535 SGD
£943 GBP
View
B
Retailer 15
-
$1,551 SGD
$1,210 USD
View
B
Retailer 16
-
$1,693 SGD
$1,321 USD
View
Retailer 17
-
$1,717 SGD
$1,340 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
20577360A · Oct 29
$2,153 SGD
$1,680 USD
View
17 more retailers have this diamond
Prices start from $342 SGDSave up to $1,811 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
1.55ct Cushion
$342 SGD