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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 $536 NZD
$302 USD
As of November 1, 2026
Save $2,498 NZD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,034 NZD 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 $536 to $3,034, a $2,498 spread on the same certified stone. Brilliant Earth lists it at $3,034. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,034 NZD|Low: $536 NZD|High: $3,939 NZD|Avg: $1,460 NZD|-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$536 NZD
Retailer 5$596 NZD
Retailer 12$664 NZD
Retailer 14$795 NZD
Retailer 16$878 NZD
Retailer 8$1,002 NZD
Retailer 10$1,029 NZD
Retailer 2$1,048 NZD
Retailer 17$1,053 NZD
Retailer 15$1,387 NZD
Retailer 13$1,412 NZD
Retailer 7$1,918 NZD
Retailer 4$1,954 NZD
Retailer 3$2,023 NZD
Retailer 6$2,296 NZD
Retailer 11$2,391 NZD
Brilliant Earth$3,034 NZD

35 data points across 17 retailers

23 retailers$536 NZD to $3,034 NZD

Retailer 1
-
$481 NZD
$271 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$536 NZD
$302 USD
View
Final sale: no returns
Retailer 3
-
$559 NZD
$315 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$596 NZD
$336 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$596 NZD
$336 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$664 NZD
£295 GBP
View
B+
Retailer 7
-
$795 NZD
$448 USD
View
A
Retailer 8
-
$878 NZD
$495 USD
View
A
Retailer 9
-
$1,002 NZD
$565 USD
View
A
Retailer 10
-
$1,029 NZD
ZAR 9,365 ZAR
View
A
Retailer 11
-
$1,048 NZD
£465 GBP
View
A
Retailer 12
-
$1,053 NZD
€565 EUR
View
B+
Retailer 13
-
$1,387 NZD
A$1,203 AUD
View
B+
Retailer 14
-
$1,412 NZD
$796 USD
View
Retailer 15
-
$1,918 NZD
$1,081 USD
View
Price last confirmed 13 days ago
Retailer 16
-
$1,954 NZD
A$1,694 AUD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$2,008 NZD
$1,132 USD
View
B
Retailer 18
-
$2,023 NZD
$1,140 USD
View
B
Retailer 19
-
$2,296 NZD
$1,294 USD
View
B
Retailer 20
-
$2,391 NZD
£1,061 GBP
View
B
Retailer 21
-
$2,447 NZD
$1,379 USD
View
B
Retailer 22
-
$2,521 NZD
$1,421 USD
View
Most Expensive
B
Brilliant Earth
21658637A · Oct 30
$3,034 NZD
$1,710 USD
View
22 more retailers have this diamond
Prices start from $536 NZDSave up to $2,498 NZD

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
$536 NZD