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Marquise|Lab Grown|IGI

1.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG791628789

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791628789

Diamond specifications and retailer prices

From €231 EUR
$258 USD
As of October 30, 2026
Save €1,004 EUR (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,234 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG791628789 or 791628789. Listed at 23 retailers as of October 30, 2026, with prices from €231 to €1,234, a €1,004 spread on the same certified stone. Reve Diamonds lists it at €1,234. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791628789
Dimensions10.73 × 5.19 × 3.23 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.73 mm5.19 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791628789
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.2%

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: €543 EUR|Low: €231 EUR|High: €1,350 EUR|Avg: €678 EUR|-7.0%
Retailer 1
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Retailer 21
Reve Diamonds
October 31, 2026
Retailer 16€231 EUR
Retailer 3€258 EUR
Retailer 21€286 EUR
Retailer 11€287 EUR
Retailer 13€307 EUR
Retailer 17€385 EUR
Retailer 8€416 EUR
Retailer 15€505 EUR
Retailer 9€523 EUR
Retailer 7€528 EUR
Retailer 18€538 EUR
Retailer 1€543 EUR
Retailer 14€598 EUR
Retailer 6€748 EUR
Retailer 12€880 EUR
Retailer 5€921 EUR
Retailer 20€954 EUR
Retailer 19€967 EUR
Retailer 2€1,007 EUR
Retailer 10€1,016 EUR
Retailer 4€1,154 EUR
Reve Diamonds€1,234 EUR

36 data points across 22 retailers

23 retailers€231 EUR to €1,234 EUR

A
Cheapest Retailer
-
€231 EUR
$258 USD
A
Retailer 2
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€258 EUR
$288 USD
View
Final sale: no returns
A
Retailer 3
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€286 EUR
$320 USD
View
A
Retailer 4
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€287 EUR
$321 USD
View
A
Retailer 5
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€307 EUR
$343 USD
View
Retailer 6
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€328 EUR
$367 USD
View
Price last confirmed 37 days ago
A
Retailer 7
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€385 EUR
$430 USD
View
A
Retailer 8
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€416 EUR
$465 USD
View
A
Retailer 9
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€505 EUR
$564 USD
View
A
Retailer 10
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€523 EUR
View
A
Retailer 11
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€528 EUR
ZAR 9,527 ZAR
View
A
Retailer 12
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€538 EUR
$601 USD
View
A
Retailer 13
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€543 EUR
£477 GBP
View
B+
Retailer 14
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€598 EUR
A$1,028 AUD
View
B+
Retailer 15
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€748 EUR
A$1,285 AUD
View
B+
Retailer 16
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€880 EUR
$983 USD
View
B+
Retailer 17
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€921 EUR
$1,029 USD
View
B+
Retailer 18
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€954 EUR
A$1,639 AUD
View
B+
Retailer 19
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€967 EUR
$1,080 USD
View
B+
Retailer 20
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€1,007 EUR
$1,125 USD
View
B+
Retailer 21
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€1,016 EUR
$1,135 USD
View
B
Retailer 22
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€1,154 EUR
£1,015 GBP
View
Most Expensive
B
Reve Diamonds
1DC68D5CB · Oct 30
€1,234 EUR
$1,379 USD
View
22 more retailers have this diamond
Prices start from €231 EURSave up to €1,004 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
€231 EUR