CaratHunter
Plans
Cushion|Lab Grown|IGI

1.00ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG818601353

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818601353

Diamond specifications and retailer prices

From €325 EUR
$363 USD
As of October 30, 2026
Save €1,796 EUR (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,121 EUR at Brilliant Earth · As of October 29, 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 LG818601353 or 818601353. Listed at 18 retailers as of October 29, 2026, with prices from €325 to €2,121, a €1,796 spread on the same certified stone. Brilliant Earth lists it at €2,121. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818601353
Dimensions7.22 × 5.01 × 3.40 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.22 mm5.01 mm1.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818601353
Side View
Table 63.0%Crown 38.9°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 67.9%

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: €2,121 EUR|Low: €360 EUR|High: €2,121 EUR|Avg: €885 EUR
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
October 31, 2026
Retailer 6€360 EUR
Retailer 10€371 EUR
Retailer 8€492 EUR
Retailer 4€523 EUR
Retailer 7€524 EUR
Retailer 11€583 EUR
Retailer 14€618 EUR
Retailer 2€637 EUR
Retailer 13€873 EUR
Retailer 3€900 EUR
Retailer 9€1,248 EUR
Retailer 5€1,422 EUR
Retailer 12€1,448 EUR
Brilliant Earth€2,121 EUR

32 data points across 14 retailers

18 retailers€325 EUR to €2,121 EUR

A
Cheapest Retailer
-
€325 EUR
$363 USD
Final sale: no returns
A
Retailer 2
-
€360 EUR
$402 USD
View
A
Retailer 3
-
€371 EUR
£327 GBP
View
A
Retailer 4
-
€492 EUR
$550 USD
View
A
Retailer 5
-
€523 EUR
$584 USD
View
A
Retailer 6
-
€524 EUR
$585 USD
View
A
Retailer 7
-
€583 EUR
View
A
Retailer 8
-
€618 EUR
ZAR 11,148 ZAR
View
A
Retailer 9
-
€637 EUR
£560 GBP
View
B+
Retailer 10
-
€873 EUR
A$1,501 AUD
View
B+
Retailer 11
-
€900 EUR
$1,005 USD
View
B+
Retailer 12
-
€967 EUR
SGD 1,460 SGD
View
B+
Retailer 13
-
€1,196 EUR
$1,336 USD
View
B+
Retailer 14
-
€1,248 EUR
A$2,145 AUD
View
Retailer 15
-
€1,252 EUR
$1,399 USD
View
Price last confirmed 83 days ago
B
Retailer 16
-
€1,422 EUR
$1,589 USD
View
B+
Retailer 17
-
€1,448 EUR
£1,274 GBP
View
Most Expensive
B
Brilliant Earth
21056015A · Oct 29
€2,121 EUR
$2,370 USD
View
17 more retailers have this diamond
Prices start from €325 EURSave up to €1,796 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
€325 EUR