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Cushion|Lab Grown|IGI

1.55ct E SI1 Cushion Lab Grown Diamond

VG • E/SI1 • IGI LG825630871

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825630871

Diamond specifications and retailer prices

From $275 SGD
$215 USD
As of October 30, 2026
Save $1,218 SGD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,493 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG825630871 or 825630871. Listed at 8 retailers as of October 30, 2026, with prices from $275 to $1,493, a $1,218 spread on the same certified stone. Reve Diamonds lists it at $1,493. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630871
Dimensions7.51 × 5.99 × 4.14 mm
L/W Ratio1.25
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm5.99 mm1.55 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG825630871
Side View
Table 67.0%Crown 35.1°Girdle: STK-VTKPavilion 41.1°Culet: NoneDepth 69.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $552 SGD|Low: $275 SGD|High: $1,493 SGD|Avg: $529 SGD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Reve Diamonds
October 30, 2026
Retailer 6$275 SGD
Retailer 4$409 SGD
Retailer 2$514 SGD
Retailer 1$552 SGD
Retailer 5$603 SGD
Retailer 3$1,046 SGD
Reve Diamonds$1,493 SGD

20 data points across 7 retailers

8 retailers$275 SGD to $1,493 SGD

A
Cheapest Retailer
-
$275 SGD
$215 USD
Final sale: no returns
B+
Retailer 2
-
$409 SGD
$320 USD
View
B+
Retailer 3
-
$514 SGD
€383 EUR
View
B+
Retailer 4
-
$552 SGD
£340 GBP
View
B+
Retailer 5
-
$603 SGD
$472 USD
View
B
Retailer 6
-
$1,046 SGD
$818 USD
View
B
Retailer 7
-
$1,406 SGD
$1,100 USD
View
Most Expensive
B
Reve Diamonds
69302FC56 · Oct 30
$1,493 SGD
$1,168 USD
View
7 more retailers have this diamond
Prices start from $275 SGDSave up to $1,218 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
$275 SGD