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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 $302 USD
As of October 28, 2026
Save $1,808 USD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,110 USD at Brilliant Earth · As of October 28, 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 28, 2026, with prices from $302 to $2,110, a $1,808 spread on the same certified stone. Brilliant Earth lists it at $2,110. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837656503
Dimensions6.17 × 6.17 × 3.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.17 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: Oct 28
Current: $2,110 USD|Low: $302 USD|High: $2,220 USD|Avg: $885 USD|-5.0%
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
Retailer 18
Retailer 19
October 29, 2026
Retailer 9$302 USD
Retailer 5$336 USD
Retailer 15$376 USD
Retailer 3$448 USD
Retailer 16$495 USD
Retailer 8$565 USD
Retailer 12$578 USD
Retailer 14$587 USD
Retailer 17$593 USD
Retailer 13$782 USD
Retailer 18$1,033 USD
Retailer 7$1,081 USD
Retailer 4$1,101 USD
Retailer 11$1,132 USD
Retailer 19$1,140 USD
Retailer 6$1,294 USD
Retailer 2$1,355 USD
Retailer 10$1,421 USD
Brilliant Earth$2,110 USD

33 data points across 19 retailers

23 retailers$302 USD to $2,110 USD

A
Retailer 1
-
$271 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$302 USD
View
Final sale: no returns
A
Retailer 3
-
$315 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$336 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$336 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$376 USD
£296 GBP
View
B+
Retailer 7
-
$448 USD
View
A
Retailer 8
-
$495 USD
View
A
Retailer 9
-
$565 USD
View
A
Retailer 10
-
$578 USD
ZAR 9,332 ZAR
View
A
Retailer 11
-
$587 USD
£462 GBP
View
A
Retailer 12
-
$593 USD
€565 EUR
View
B+
Retailer 13
-
$782 USD
A$1,203 AUD
View
B+
Retailer 14
-
$1,033 USD
View
B+
Retailer 15
-
$1,081 USD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$1,101 USD
A$1,694 AUD
View
B
Retailer 17
-
$1,132 USD
View
B+
Retailer 18
-
$1,140 USD
View
B
Retailer 19
-
$1,294 USD
View
B
Retailer 20
-
$1,355 USD
£1,067 GBP
View
B
Retailer 21
-
$1,379 USD
View
B
Retailer 22
-
$1,421 USD
View
Most Expensive
B
Brilliant Earth
21658637A · Oct 28
$2,110 USD
View
22 more retailers have this diamond
Prices start from $302 USDSave up to $1,808 USD

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
$302 USD