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 $386 SGD
$302 USD
As of November 1, 2026
Save $1,800 SGD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,186 SGD 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 $386 to $2,186, a $1,800 spread on the same certified stone. Brilliant Earth lists it at $2,186. 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: $2,186 SGD|Low: $386 SGD|High: $2,838 SGD|Avg: $1,011 SGD|-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
Retailer 18
November 1, 2026
Retailer 9$386 SGD
Retailer 10$403 SGD
Retailer 5$430 SGD
Retailer 11$478 SGD
Retailer 14$573 SGD
Retailer 17$633 SGD
Retailer 8$722 SGD
Retailer 15$738 SGD
Retailer 12$755 SGD
Retailer 18$758 SGD
Retailer 16$1,000 SGD
Retailer 13$1,018 SGD
Retailer 7$1,382 SGD
Retailer 4$1,408 SGD
Retailer 3$1,457 SGD
Retailer 6$1,654 SGD
Retailer 2$1,723 SGD
Brilliant Earth$2,186 SGD

34 data points across 18 retailers

23 retailers$386 SGD to $2,186 SGD

Retailer 1
-
$346 SGD
$271 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$386 SGD
$302 USD
View
Final sale: no returns
Retailer 3
-
$403 SGD
$315 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$430 SGD
$336 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$430 SGD
$336 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$478 SGD
£295 GBP
View
B+
Retailer 7
-
$573 SGD
$448 USD
View
A
Retailer 8
-
$633 SGD
$495 USD
View
A
Retailer 9
-
$722 SGD
$565 USD
View
A
Retailer 10
-
$738 SGD
ZAR 9,332 ZAR
View
A
Retailer 11
-
$755 SGD
£465 GBP
View
A
Retailer 12
-
$758 SGD
€565 EUR
View
B+
Retailer 13
-
$1,000 SGD
A$1,203 AUD
View
B+
Retailer 14
-
$1,018 SGD
$796 USD
View
Retailer 15
-
$1,382 SGD
$1,081 USD
View
Price last confirmed 13 days ago
Retailer 16
-
$1,408 SGD
A$1,694 AUD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$1,447 SGD
$1,132 USD
View
B
Retailer 18
-
$1,457 SGD
$1,140 USD
View
B
Retailer 19
-
$1,654 SGD
$1,294 USD
View
B
Retailer 20
-
$1,723 SGD
£1,061 GBP
View
B
Retailer 21
-
$1,763 SGD
$1,379 USD
View
B
Retailer 22
-
$1,816 SGD
$1,421 USD
View
Most Expensive
B
Brilliant Earth
21658637A · Oct 30
$2,186 SGD
$1,710 USD
View
22 more retailers have this diamond
Prices start from $386 SGDSave up to $1,800 SGD

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
$386 SGD