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Cushion|Lab Grown|IGI

1.01ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG689561955

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689561955

Diamond specifications and retailer prices

From €269 EUR
$300 USD
As of October 30, 2026
Save €1,378 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,647 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689561955 or 689561955. Listed at 17 retailers as of October 30, 2026, with prices from €269 to €1,647, a €1,378 spread on the same certified stone. Brilliant Earth lists it at €1,647. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689561955
Dimensions6.63 × 5.38 × 3.76 mm
L/W Ratio1.23
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
6.63 mm5.38 mm1.01 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689561955
Side View
Table 62.0%Crown 35.3°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 69.9%

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: €1,647 EUR|Low: €257 EUR|High: €2,130 EUR|Avg: €732 EUR|-22.7%
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
November 1, 2026
Retailer 12€269 EUR
Retailer 3€287 EUR
Retailer 10€443 EUR
Retailer 5€479 EUR
Retailer 13€494 EUR
Retailer 15€505 EUR
Retailer 14€510 EUR
Retailer 9€536 EUR
Retailer 8€549 EUR
Retailer 4€764 EUR
Retailer 7€970 EUR
Retailer 2€1,153 EUR
Retailer 6€1,237 EUR
Retailer 11€1,261 EUR
Brilliant Earth€1,647 EUR

41 data points across 15 retailers

17 retailers€269 EUR to €1,647 EUR

A
Cheapest Retailer
-
€269 EUR
$300 USD
Final sale: no returns
Retailer 2
-
€287 EUR
$321 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€443 EUR
$495 USD
View
A
Retailer 4
-
€479 EUR
$535 USD
View
A
Retailer 5
-
€494 EUR
ZAR 8,915 ZAR
View
A
Retailer 6
-
€505 EUR
$564 USD
View
A
Retailer 7
-
€510 EUR
$570 USD
View
A
Retailer 8
-
€536 EUR
View
A
Retailer 9
-
€549 EUR
£483 GBP
View
B+
Retailer 10
-
€764 EUR
$853 USD
View
B+
Retailer 11
-
€970 EUR
$1,084 USD
View
B+
Retailer 12
-
€1,061 EUR
$1,185 USD
View
B+
Retailer 13
-
€1,153 EUR
£1,014 GBP
View
B
Retailer 14
-
€1,237 EUR
$1,382 USD
View
B+
Retailer 15
-
€1,261 EUR
A$2,167 AUD
View
Retailer 16
-
€1,261 EUR
$1,409 USD
View
Price last confirmed 83 days ago
Most Expensive
B
Brilliant Earth
16360261A · Oct 31
€1,647 EUR
$1,840 USD
View
16 more retailers have this diamond
Prices start from €269 EURSave up to €1,378 EUR

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
€269 EUR