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Marquise|Lab Grown|IGI

1.51ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG570370349

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG570370349

Diamond specifications and retailer prices

From €246 EUR
As of November 4, 2026
Save €1,165 EUR (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,411 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG570370349 or 570370349. Listed at 25 retailers as of October 30, 2026, with prices from €246 to €1,411, a €1,165 spread on the same certified stone. Brilliant Earth lists it at €1,411. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570370349
Dimensions11.72 × 6.01 × 3.79 mm
L/W Ratio1.95
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
11.72 mm6.01 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570370349
Side View
Table 59.5%Crown 36.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.1%

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: Nov 4
Current: €1,411 EUR|Low: €246 EUR|High: €1,802 EUR|Avg: €642 EUR|-21.7%
Brilliant Earth
Retailer 2
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Retailer 24
November 5, 2026
Retailer 24€246 EUR
Retailer 23€274 EUR
Retailer 8€285 EUR
Retailer 13€304 EUR
Retailer 22€351 EUR
Retailer 21€355 EUR
Retailer 6€430 EUR
Retailer 20€444 EUR
Retailer 2€470 EUR
Retailer 16€520 EUR
Retailer 18€527 EUR
Retailer 15€544 EUR
Retailer 17€547 EUR
Retailer 12€678 EUR
Retailer 11€714 EUR
Retailer 4€935 EUR
Retailer 3€979 EUR
Retailer 9€1,002 EUR
Retailer 14€1,023 EUR
Retailer 7€1,027 EUR
Retailer 10€1,172 EUR
Retailer 19€1,217 EUR
Retailer 5€1,276 EUR
Brilliant Earth€1,411 EUR

28 data points across 24 retailers

25 retailers€246 EUR to €1,411 EUR

A
Cheapest Retailer
-
€246 EUR
A
Retailer 2
-
€274 EUR
View
Final sale: no returns
A
Retailer 3
-
€285 EUR
View
A
Retailer 4
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€304 EUR
View
A
Retailer 5
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€351 EUR
View
A
Retailer 6
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€355 EUR
View
A
Retailer 7
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€430 EUR
View
A
Retailer 8
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€444 EUR
View
A
Retailer 9
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€470 EUR
View
Retailer 10
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€520 EUR
View
Price last confirmed 7 days ago
A
Retailer 11
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€527 EUR
View
A
Retailer 12
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€544 EUR
View
A
Retailer 13
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€547 EUR
View
B+
Retailer 14
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€678 EUR
View
B+
Retailer 15
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€714 EUR
View
Retailer 16
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€907 EUR
View
Price last confirmed 28 days ago
B
Retailer 17
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€935 EUR
View
B+
Retailer 18
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€979 EUR
View
B
Retailer 19
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€1,002 EUR
View
B
Retailer 20
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€1,023 EUR
View
B
Retailer 21
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€1,027 EUR
View
B
Retailer 22
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€1,172 EUR
View
B
Retailer 23
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€1,217 EUR
View
B
Retailer 24
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€1,276 EUR
View
Most Expensive
B
Brilliant Earth
6979233A · Oct 30
€1,411 EUR
$1,590 USD
View
24 more retailers have this diamond
Prices start from €246 EURSave up to €1,165 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
1.51ct Marquise
€246 EUR