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Cushion|Lab Grown|IGI

1.03ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG678573929

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG678573929

Diamond specifications and retailer prices

From €161 EUR
$179 USD
As of October 28, 2026
Save €799 EUR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €961 EUR at Brilliant Earth · As of October 10, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678573929 or 678573929. Listed at 15 retailers as of October 28, 2026, with a 497% 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678573929
Dimensions6.83 × 5.47 × 3.75 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm5.47 mm1.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678573929
Side View
Table 64.0%Crown 29.3°Girdle: MED-STKPavilion 43.1°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: €961 EUR|Low: €161 EUR|High: €997 EUR|Avg: €494 EUR|-3.6%
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
Retailer 15
Retailer 16
October 29, 2026
Retailer 16€161 EUR
Retailer 15€179 EUR
Retailer 14€225 EUR
Retailer 7€294 EUR
Retailer 12€308 EUR
Retailer 2€315 EUR
Retailer 3€325 EUR
Retailer 9€327 EUR
Retailer 11€340 EUR
Retailer 13€436 EUR
Retailer 5€465 EUR
Retailer 6€625 EUR
Retailer 10€842 EUR
Retailer 8€863 EUR
Retailer 4€960 EUR
Brilliant Earth€961 EUR

33 data points across 16 retailers

15 retailers€161 EUR to €960 EUR

A
Cheapest Retailer
-
€161 EUR
$179 USD
Final sale: no returns
A
Retailer 2
-
€179 EUR
$199 USD
View
A
Retailer 3
-
€225 EUR
£198 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
€294 EUR
$327 USD
View
A
Retailer 5
-
€308 EUR
ZAR 5,529 ZAR
View
A
Retailer 6
-
€315 EUR
£276 GBP
View
A
Retailer 7
-
€325 EUR
$362 USD
View
A
Retailer 8
-
€327 EUR
View
A
Retailer 9
-
€340 EUR
£298 GBP
View
B+
Retailer 10
-
€436 EUR
A$747 AUD
View
B+
Retailer 11
-
€465 EUR
$517 USD
View
B
Retailer 12
-
€625 EUR
$696 USD
View
B
Retailer 13
-
€842 EUR
£738 GBP
View
B
Retailer 14
-
€960 EUR
$1,068 USD
View
Most Expensive
B
Brilliant Earth
13063167A · Oct 10
€961 EUR
$1,070 USD
View
Price last confirmed 19 days ago
14 more retailers have this diamond
Prices start from €161 EURSave up to €799 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
€161 EUR