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Marquise|Lab Grown|IGI

1.03ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG770628037

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG770628037

Diamond specifications and retailer prices

From €152 EUR
$170 USD
As of October 30, 2026
Save €729 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €958 EUR at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise 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 LG770628037 or 770628037. Listed at 18 retailers as of October 26, 2026, with a 479% 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 angle36.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770628037
Dimensions9.61 × 5.33 × 3.40 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.61 mm5.33 mm1.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770628037
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.8%

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 30
Current: €958 EUR|Low: €146 EUR|High: €958 EUR|Avg: €386 EUR
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 30, 2026
Retailer 12€152 EUR
Retailer 6€169 EUR
Retailer 4€176 EUR
Retailer 14€188 EUR
Retailer 16€188 EUR
Retailer 9€236 EUR
Retailer 8€261 EUR
Retailer 11€323 EUR
Retailer 2€335 EUR
Retailer 10€360 EUR
Retailer 13€458 EUR
Retailer 7€472 EUR
Retailer 15€605 EUR
Retailer 5€639 EUR
Retailer 3€881 EUR
Brilliant Earth€958 EUR

44 data points across 16 retailers

18 retailers€152 EUR to €881 EUR

A
Cheapest Retailer
-
€152 EUR
$170 USD
A
Retailer 2
-
€169 EUR
$189 USD
View
Final sale: no returns
A
Retailer 3
-
€176 EUR
$197 USD
View
A
Retailer 4
-
€188 EUR
$210 USD
View
A
Retailer 5
-
€188 EUR
$210 USD
View
A
Retailer 6
-
€236 EUR
£208 GBP
View
B+
Retailer 7
-
€261 EUR
$292 USD
View
A
Retailer 8
-
€295 EUR
$330 USD
View
A
Retailer 9
-
€323 EUR
ZAR 5,831 ZAR
View
A
Retailer 10
-
€335 EUR
£295 GBP
View
A
Retailer 11
-
€360 EUR
View
B+
Retailer 12
-
€458 EUR
A$788 AUD
View
B+
Retailer 13
-
€472 EUR
$527 USD
View
B
Retailer 14
-
€605 EUR
$676 USD
View
B
Retailer 15
-
€639 EUR
$714 USD
View
B
Retailer 16
-
€654 EUR
$730 USD
View
B
Retailer 17
-
€881 EUR
£775 GBP
View
Most Expensive
Brilliant Earth
18310494A · Oct 16
€958 EUR
$1,070 USD
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from €152 EURSave up to €729 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 Marquise
€152 EUR