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Cushion|Lab Grown|IGI

1.03ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG685512701

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG685512701

Diamond specifications and retailer prices

From €429 EUR
$479 USD
As of October 30, 2026
Save €1,411 EUR (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,839 EUR at With Clarity · As of October 30, 2026
View at With Clarity

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 LG685512701 or 685512701. Listed at 15 retailers as of October 30, 2026, with prices from €429 to €1,839, a €1,411 spread on the same certified stone. With Clarity lists it at €1,839. 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
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.2°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685512701
Dimensions6.15 × 5.94 × 4.03 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
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
6.15 mm5.94 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG685512701
Side View
Table 64.0%Crown 40.2°Girdle: MED-STKPavilion 42.8°Culet: NoneDepth 67.8%

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: €429 EUR|Low: €425 EUR|High: €1,803 EUR|Avg: €994 EUR|-16.8%
Retailer 1
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
With Clarity
October 30, 2026
Retailer 1€429 EUR
Retailer 2€475 EUR
Retailer 13€591 EUR
Retailer 11€604 EUR
Retailer 14€673 EUR
Retailer 4€749 EUR
Retailer 7€784 EUR
Retailer 10€817 EUR
Retailer 8€838 EUR
Retailer 3€1,207 EUR
Retailer 6€1,558 EUR
Retailer 12€1,575 EUR
Retailer 5€1,721 EUR
Retailer 9€1,756 EUR
With Clarity€1,803 EUR

41 data points across 15 retailers

15 retailers€429 EUR to €1,839 EUR

A
Cheapest Retailer
-
€429 EUR
$479 USD
Final sale: no returns
A
Retailer 2
-
€475 EUR
$531 USD
View
A
Retailer 3
-
€591 EUR
$660 USD
View
A
Retailer 4
-
€604 EUR
$675 USD
View
A
Retailer 5
-
€673 EUR
$752 USD
View
B+
Retailer 6
-
€749 EUR
$837 USD
View
B+
Retailer 7
-
€784 EUR
£690 GBP
View
B+
Retailer 8
-
€817 EUR
ZAR 14,750 ZAR
View
B+
Retailer 9
-
€838 EUR
View
B
Retailer 10
-
€1,207 EUR
$1,348 USD
View
B
Retailer 11
-
€1,558 EUR
$1,740 USD
View
B
Retailer 12
-
€1,575 EUR
$1,760 USD
View
B
Retailer 13
-
€1,721 EUR
$1,923 USD
View
B
Retailer 14
-
€1,756 EUR
£1,545 GBP
View
Most Expensive
B
With Clarity
685512701 · Oct 30
€1,839 EUR
$2,055 USD
View
14 more retailers have this diamond
Prices start from €429 EURSave up to €1,411 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
€429 EUR