CaratHunter
Plans
Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818657595

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

Certificate IGI LG818657595

Diamond specifications and retailer prices

From €364 EUR
$407 USD
As of October 30, 2026
Save €1,739 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,103 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818657595 or 818657595. Listed at 14 retailers as of October 30, 2026, with prices from €364 to €2,103, a €1,739 spread on the same certified stone. Brilliant Earth lists it at €2,103. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818657595
Dimensions6.02 × 5.84 × 3.88 mm
L/W Ratio1.03
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
6.02 mm5.84 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818657595
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 66.4%

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: €2,103 EUR|Low: €262 EUR|High: €2,399 EUR|Avg: €915 EUR|-12.3%
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
November 1, 2026
Retailer 12€364 EUR
Retailer 6€408 EUR
Retailer 11€559 EUR
Retailer 4€564 EUR
Retailer 13€648 EUR
Retailer 7€651 EUR
Retailer 3€682 EUR
Retailer 9€696 EUR
Retailer 2€731 EUR
Retailer 5€1,226 EUR
Retailer 14€1,338 EUR
Retailer 10€1,539 EUR
Retailer 8€1,591 EUR
Brilliant Earth€2,103 EUR

38 data points across 14 retailers

14 retailers€364 EUR to €2,103 EUR

A
Cheapest Retailer
-
€364 EUR
$407 USD
Final sale: no returns
Retailer 2
-
€408 EUR
$456 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
€559 EUR
$625 USD
View
A
Retailer 4
-
€564 EUR
$630 USD
View
A
Retailer 5
-
€648 EUR
$724 USD
View
A
Retailer 6
-
€651 EUR
View
A
Retailer 7
-
€682 EUR
$762 USD
View
A
Retailer 8
-
€696 EUR
ZAR 12,562 ZAR
View
A
Retailer 9
-
€731 EUR
£643 GBP
View
Retailer 10
-
€1,226 EUR
$1,370 USD
View
Price last confirmed 13 days ago
B
Retailer 11
-
€1,338 EUR
$1,495 USD
View
B
Retailer 12
-
€1,539 EUR
$1,720 USD
View
B+
Retailer 13
-
€1,591 EUR
£1,400 GBP
View
Most Expensive
B
Brilliant Earth
21241770A · Oct 31
€2,103 EUR
$2,350 USD
View
13 more retailers have this diamond
Prices start from €364 EURSave up to €1,739 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
€364 EUR