CaratHunter
Plans
Cushion|Lab Grown|IGI

1.03ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG834612817

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG834612817

Diamond specifications and retailer prices

From €422 EUR
$471 USD
As of October 30, 2026
Save €498 EUR (54%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,070 EUR at Taylor and Hart · As of October 22, 2026
View at Taylor and Hart

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG834612817 or 834612817. Listed at 5 retailers as of October 30, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834612817
Dimensions5.84 × 5.73 × 3.88 mm
L/W Ratio1.02
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
5.84 mm5.73 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834612817
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 39°Culet: NoneDepth 67.7%

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: €710 EUR|Low: €422 EUR|High: €1,070 EUR|Avg: €776 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
October 31, 2026
Retailer 4€422 EUR
Retailer 1€710 EUR
Retailer 2€890 EUR
Retailer 3€919 EUR
Taylor and Hart€1,070 EUR

5 data points across 5 retailers

5 retailers€422 EUR to €919 EUR

A
Cheapest Retailer
-
€422 EUR
$471 USD
B+
Retailer 2
-
€710 EUR
$793 USD
View
B+
Retailer 3
-
€890 EUR
A$1,529 AUD
View
B+
Retailer 4
-
€919 EUR
SGD 1,388 SGD
View
Most Expensive
Taylor and Hart
QUPYGDJ · Oct 22
€1,070 EUR
$1,196 USD
View
Price last confirmed 10 days ago
4 more retailers have this diamond
Prices start from €422 EURSave up to €498 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
1.03ct Cushion
€422 EUR