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Cushion|Lab Grown|IGI

1.00ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG815697702

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815697702

Diamond specifications and retailer prices

From €229 EUR
$256 USD
As of October 26, 2026
Save €997 EUR (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,226 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1ct lab-grown cushion diamond

This 1ct 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 LG815697702 or 815697702. Listed at 15 retailers as of October 26, 2026, with prices from €229 to €1,226, a €997 spread on the same certified stone. Brilliant Earth lists it at €1,226. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815697702
Dimensions7.42 × 5.02 × 3.24 mm
L/W Ratio1.48
Girdle conditionFaceted
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
7.42 mm5.02 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815697702
Side View
Table 65.0%Crown 32.7°Girdle: MED-STKPavilion 33.1°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
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 26
Current: €1,226 EUR|Low: €229 EUR|High: €1,736 EUR|Avg: €638 EUR|-29.4%
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
October 31, 2026
Retailer 4€229 EUR
Retailer 3€254 EUR
Retailer 8€262 EUR
Retailer 9€422 EUR
Retailer 5€431 EUR
Retailer 11€436 EUR
Retailer 2€475 EUR
Retailer 6€492 EUR
Retailer 12€620 EUR
Retailer 14€664 EUR
Retailer 15€802 EUR
Retailer 7€863 EUR
Retailer 10€1,023 EUR
Retailer 13€1,195 EUR
Brilliant Earth€1,226 EUR

36 data points across 15 retailers

15 retailers€229 EUR to €1,226 EUR

A
Cheapest Retailer
-
€229 EUR
$256 USD
Final sale: no returns
A
Retailer 2
-
€254 EUR
$284 USD
View
A
Retailer 3
-
€262 EUR
£231 GBP
View
A
Retailer 4
-
€422 EUR
View
A
Retailer 5
-
€431 EUR
$482 USD
View
A
Retailer 6
-
€436 EUR
ZAR 7,874 ZAR
View
A
Retailer 7
-
€475 EUR
£418 GBP
View
A
Retailer 8
-
€492 EUR
$550 USD
View
A
Retailer 9
-
€620 EUR
A$1,065 AUD
View
A
Retailer 10
-
€664 EUR
$742 USD
View
B+
Retailer 11
-
€802 EUR
SGD 1,211 SGD
View
B+
Retailer 12
-
€863 EUR
$964 USD
View
B+
Retailer 13
-
€1,023 EUR
£900 GBP
View
Retailer 14
-
€1,195 EUR
$1,335 USD
View
Price last confirmed 13 days ago
Most Expensive
B+
Brilliant Earth
21422570A · Oct 30
€1,226 EUR
$1,370 USD
View
14 more retailers have this diamond
Prices start from €229 EURSave up to €997 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
1.00ct Cushion
€229 EUR