CaratHunter
Plans
Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG818663200

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

Certificate IGI LG818663200

Diamond specifications and retailer prices

From €370 EUR
$413 USD
As of October 30, 2026
Save €1,779 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,148 EUR at Brilliant Earth · As of October 30, 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 LG818663200 or 818663200. Listed at 14 retailers as of October 30, 2026, with prices from €370 to €2,148, a €1,779 spread on the same certified stone. Brilliant Earth lists it at €2,148. 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
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663200
Dimensions5.98 × 5.93 × 3.83 mm
L/W Ratio1.01
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
5.98 mm5.93 mm1.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663200
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 64.6%

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: €2,148 EUR|Low: €266 EUR|High: €2,399 EUR|Avg: €927 EUR|-10.4%
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
October 31, 2026
Retailer 12€370 EUR
Retailer 6€413 EUR
Retailer 11€560 EUR
Retailer 4€564 EUR
Retailer 13€654 EUR
Retailer 7€662 EUR
Retailer 3€687 EUR
Retailer 9€704 EUR
Retailer 2€740 EUR
Retailer 5€1,226 EUR
Retailer 14€1,353 EUR
Retailer 10€1,552 EUR
Retailer 8€1,610 EUR
Brilliant Earth€2,148 EUR

36 data points across 14 retailers

14 retailers€370 EUR to €2,148 EUR

A
Cheapest Retailer
-
€370 EUR
$413 USD
Final sale: no returns
Retailer 2
-
€413 EUR
$461 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
€560 EUR
$626 USD
View
A
Retailer 4
-
€564 EUR
$630 USD
View
A
Retailer 5
-
€654 EUR
$731 USD
View
A
Retailer 6
-
€662 EUR
View
A
Retailer 7
-
€687 EUR
$767 USD
View
A
Retailer 8
-
€704 EUR
ZAR 12,711 ZAR
View
A
Retailer 9
-
€740 EUR
£651 GBP
View
Retailer 10
-
€1,226 EUR
$1,370 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
€1,353 EUR
$1,511 USD
View
B
Retailer 12
-
€1,552 EUR
$1,734 USD
View
B+
Retailer 13
-
€1,610 EUR
£1,416 GBP
View
Most Expensive
B
Brilliant Earth
21242362A · Oct 30
€2,148 EUR
$2,400 USD
View
13 more retailers have this diamond
Prices start from €370 EURSave up to €1,779 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
€370 EUR