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Marquise|Lab Grown|IGI

1.56ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG837656503

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837656503

Diamond specifications and retailer prices

From €270 EUR
$302 USD
As of November 1, 2026
Save €1,260 EUR (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,531 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.56ct lab-grown marquise diamond

This 1.56ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837656503 or 837656503. Listed at 23 retailers as of October 30, 2026, with prices from €270 to €1,531, a €1,260 spread on the same certified stone. Brilliant Earth lists it at €1,531. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837656503
Dimensions11.71 × 6.17 × 3.71 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.71 mm6.17 mm1.56 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837656503
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.1%

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 1
Current: €1,531 EUR|Low: €270 EUR|High: €1,987 EUR|Avg: €737 EUR|-23.0%
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
Retailer 17
November 2, 2026
Retailer 9€270 EUR
Retailer 5€301 EUR
Retailer 12€335 EUR
Retailer 14€401 EUR
Retailer 16€443 EUR
Retailer 8€506 EUR
Retailer 10€519 EUR
Retailer 2€529 EUR
Retailer 17€531 EUR
Retailer 15€700 EUR
Retailer 13€712 EUR
Retailer 7€968 EUR
Retailer 4€986 EUR
Retailer 3€1,020 EUR
Retailer 6€1,158 EUR
Retailer 11€1,206 EUR
Brilliant Earth€1,531 EUR

35 data points across 17 retailers

23 retailers€270 EUR to €1,531 EUR

Retailer 1
-
€243 EUR
$271 USD
Price last confirmed 14 days ago
A
Retailer 2
-
€270 EUR
$302 USD
View
Final sale: no returns
Retailer 3
-
€282 EUR
$315 USD
View
Price last confirmed 12 days ago
Retailer 4
-
€301 EUR
$336 USD
View
Price last confirmed 16 days ago
Retailer 5
-
€301 EUR
$336 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
€335 EUR
£295 GBP
View
B+
Retailer 7
-
€401 EUR
$448 USD
View
A
Retailer 8
-
€443 EUR
$495 USD
View
A
Retailer 9
-
€506 EUR
$565 USD
View
A
Retailer 10
-
€519 EUR
ZAR 9,365 ZAR
View
A
Retailer 11
-
€529 EUR
£465 GBP
View
A
Retailer 12
-
€531 EUR
View
B+
Retailer 13
-
€700 EUR
A$1,203 AUD
View
B+
Retailer 14
-
€712 EUR
$796 USD
View
Retailer 15
-
€968 EUR
$1,081 USD
View
Price last confirmed 13 days ago
Retailer 16
-
€986 EUR
A$1,694 AUD
View
Price last confirmed 7 days ago
B
Retailer 17
-
€1,013 EUR
$1,132 USD
View
B
Retailer 18
-
€1,020 EUR
$1,140 USD
View
B
Retailer 19
-
€1,158 EUR
$1,294 USD
View
B
Retailer 20
-
€1,206 EUR
£1,061 GBP
View
B
Retailer 21
-
€1,234 EUR
$1,379 USD
View
B
Retailer 22
-
€1,272 EUR
$1,421 USD
View
Most Expensive
B
Brilliant Earth
21658637A · Oct 30
€1,531 EUR
$1,710 USD
View
22 more retailers have this diamond
Prices start from €270 EURSave up to €1,260 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
1.56ct Marquise
€270 EUR