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Cushion|Lab Grown|IGI

1.01ct E SI1 Cushion Lab Grown Diamond

VG • E/SI1 • IGI LG816607704

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG816607704

Diamond specifications and retailer prices

From $401 SGD
$314 USD
As of October 30, 2026
Save $1,169 SGD (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,571 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG816607704 or 816607704. Listed at 8 retailers as of October 30, 2026, with prices from $401 to $1,571, a $1,169 spread on the same certified stone. Reve Diamonds lists it at $1,571. 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

1.01
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816607704
Dimensions6.46 × 5.76 × 3.58 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeLarge
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
6.46 mm5.76 mm1.01 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816607704
Side View
Table 55.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: LargeDepth 62.2%

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: $618 SGD|Low: $401 SGD|High: $1,571 SGD|Avg: $932 SGD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Reve Diamonds
October 30, 2026
Retailer 4$401 SGD
Retailer 5$450 SGD
Retailer 1$618 SGD
Retailer 7$904 SGD
Retailer 3$1,079 SGD
Retailer 6$1,143 SGD
Retailer 2$1,343 SGD
Reve Diamonds$1,571 SGD

25 data points across 8 retailers

8 retailers$401 SGD to $1,571 SGD

A
Cheapest Retailer
-
$401 SGD
$314 USD
B+
Retailer 2
-
$450 SGD
$352 USD
View
B+
Retailer 3
-
$618 SGD
£381 GBP
View
B
Retailer 4
-
$904 SGD
View
B
Retailer 5
-
$1,079 SGD
$844 USD
View
B
Retailer 6
-
$1,143 SGD
$894 USD
View
B
Retailer 7
-
$1,343 SGD
£827 GBP
View
Most Expensive
C
Reve Diamonds
A0C059B10 · Oct 30
$1,571 SGD
$1,229 USD
View
7 more retailers have this diamond
Prices start from $401 SGDSave up to $1,169 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
1.01ct Cushion
$401 SGD