Marquise|Lab Grown|IGI

1.03ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG815697831

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815697831

Diamond specifications and retailer prices

From €206 EUR
$230 USD
As of October 30, 2026
Save €1,593 EUR (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,542 EUR at Brilliant Earth · As of September 26, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815697831 or 815697831. Listed at 22 retailers as of October 28, 2026, with a 774% 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
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815697831
Dimensions10.05 × 5.25 × 3.39 mm
L/W Ratio1.91
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
10.05 mm5.25 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815697831
Side View
Table 57.0%Crown 36.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.6%

Caratlytics Score

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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: €1,405 EUR|Low: €206 EUR|High: €2,461 EUR|Avg: €683 EUR|-42.9%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
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Retailer 19
Retailer 20
October 31, 2026
Retailer 6€206 EUR
Retailer 7€231 EUR
Retailer 19€239 EUR
Retailer 16€256 EUR
Retailer 18€256 EUR
Retailer 17€426 EUR
Retailer 8€433 EUR
Retailer 15€439 EUR
Retailer 3€465 EUR
Retailer 2€478 EUR
Retailer 20€517 EUR
Retailer 10€690 EUR
Retailer 12€823 EUR
Retailer 9€825 EUR
Retailer 5€869 EUR
Retailer 4€884 EUR
Retailer 11€996 EUR
Retailer 13€1,031 EUR
Brilliant Earth€1,405 EUR
Retailer 14€1,799 EUR

32 data points across 20 retailers

22 retailers€206 EUR to €1,799 EUR

A
Cheapest Retailer
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€206 EUR
$230 USD
A
Retailer 2
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€231 EUR
$258 USD
View
Final sale: no returns
A
Retailer 3
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€239 EUR
$267 USD
View
A
Retailer 4
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€256 EUR
$286 USD
View
A
Retailer 5
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€256 EUR
$286 USD
View
A
Retailer 6
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€426 EUR
View
A
Retailer 7
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€433 EUR
$484 USD
View
A
Retailer 8
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€439 EUR
ZAR 7,932 ZAR
View
A
Retailer 9
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€465 EUR
$519 USD
View
A
Retailer 10
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€478 EUR
£421 GBP
View
A
Retailer 11
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€517 EUR
$578 USD
View
B+
Retailer 12
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€690 EUR
SGD 1,041 SGD
View
Retailer 13
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€758 EUR
$847 USD
View
Price last confirmed 26 days ago
B+
Retailer 14
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€823 EUR
$919 USD
View
B+
Retailer 15
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€825 EUR
$922 USD
View
B+
Retailer 16
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€869 EUR
$971 USD
View
B+
Retailer 17
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€884 EUR
$988 USD
View
B+
Retailer 18
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€996 EUR
£876 GBP
View
B+
Retailer 19
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€1,031 EUR
£907 GBP
View
B
Retailer 20
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€1,405 EUR
$1,570 USD
View
B
Retailer 21
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€1,799 EUR
$2,010 USD
View
Most Expensive
Brilliant Earth
20792512A · Sep 26
€2,542 EUR
$2,840 USD
View
Price last confirmed 35 days ago
21 more retailers have this diamond
Prices start from €206 EURSave up to €1,593 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
€206 EUR