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Cushion|Lab Grown|IGI

1.00ct E SI1 Cushion Lab Grown Diamond

VG • E/SI1 • IGI LG680561269

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG680561269

Diamond specifications and retailer prices

From $504 SGD
As of November 6, 2026
Save $1,393 SGD (73%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,897 SGD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1ct lab-grown cushion diamond

This 1ct 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 LG680561269 or 680561269. Listed at 4 retailers as of November 6, 2026, with prices from $504 to $1,897, a $1,393 spread on the same certified stone. Do Amore Diamonds lists it at $1,897. 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

1.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle35.6°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680561269
Dimensions7.09 × 5.33 × 3.45 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
Partial inscription on girdle. As Grown - No indication of post-growth treatment.. This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
7.09 mm5.33 mm1.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG680561269
Side View
Table 61.0%Crown 35.6°Girdle: MED-THKPavilion 36°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,897 SGD|Low: $387 SGD|High: $1,897 SGD|Avg: $883 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 7$387 SGD
Retailer 3$504 SGD
Retailer 6$584 SGD
Retailer 4$591 SGD
Retailer 5$645 SGD
Retailer 8$993 SGD
Retailer 2$1,460 SGD
Do Amore Diamonds$1,897 SGD

12 data points across 8 retailers

4 retailers$504 SGD to $1,897 SGD

B+
Cheapest Retailer
-
$504 SGD
B+
Retailer 2
-
$591 SGD
View
B
Retailer 3
-
$1,460 SGD
View
Most Expensive
C
Do Amore Diamonds
7-1676454 · Nov 6
$1,897 SGD
$1,480 USD
View
3 more retailers have this diamond
Prices start from $504 SGDSave up to $1,393 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.

B+
1.00ct Cushion
$504 SGD