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Cushion|Lab Grown|IGI

1.00ct D SI1 Cushion Lab Grown Diamond

GD • D/SI1 • IGI LG689562161

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689562161

Diamond specifications and retailer prices

From $263 CAD
$188 USD
As of October 30, 2026
Save $1,261 CAD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,524 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG689562161 or 689562161. Listed at 13 retailers as of October 30, 2026, with prices from $263 to $1,524, a $1,261 spread on the same certified stone. Reve Diamonds lists it at $1,524. 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
D
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562161
Dimensions6.60 × 5.40 × 3.63 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
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
6.60 mm5.40 mm1.00 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562161
Side View
Table 63.0%Crown 35.5°Girdle: STK-THKPavilion 39°Culet: NoneDepth 67.2%

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: $517 CAD|Low: $184 CAD|High: $1,524 CAD|Avg: $736 CAD|+5.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 30, 2026
Retailer 12$263 CAD
Retailer 8$450 CAD
Retailer 1$517 CAD
Retailer 11$521 CAD
Retailer 3$565 CAD
Retailer 5$566 CAD
Retailer 9$627 CAD
Retailer 7$719 CAD
Retailer 10$757 CAD
Retailer 4$824 CAD
Retailer 2$1,011 CAD
Retailer 6$1,366 CAD
Reve Diamonds$1,524 CAD

41 data points across 13 retailers

13 retailers$263 CAD to $1,524 CAD

A
Cheapest Retailer
-
$263 CAD
$188 USD
Final sale: no returns
B+
Retailer 2
-
$450 CAD
$322 USD
View
B+
Retailer 3
-
$517 CAD
£291 GBP
View
B+
Retailer 4
-
$521 CAD
$373 USD
View
B+
Retailer 5
-
$566 CAD
€386 EUR
View
B+
Retailer 6
-
$627 CAD
$449 USD
View
Retailer 7
-
$719 CAD
$515 USD
View
Price last confirmed 12 days ago
B
Retailer 8
-
$757 CAD
$542 USD
View
Retailer 9
-
$824 CAD
$590 USD
View
Price last confirmed 20 days ago
B
Retailer 10
-
$824 CAD
$590 USD
View
B
Retailer 11
-
$1,011 CAD
$723 USD
View
B
Retailer 12
-
$1,366 CAD
£770 GBP
View
Most Expensive
C
Reve Diamonds
78CCF1F67 · Oct 30
$1,524 CAD
$1,091 USD
View
12 more retailers have this diamond
Prices start from $263 CADSave up to $1,261 CAD

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
1.00ct Cushion
$263 CAD