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Marquise|Lab Grown|IGI

1.56ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG817639351

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817639351

Diamond specifications and retailer prices

From $391 AUD
$275 USD
As of November 2, 2026
Save $1,629 AUD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,020 AUD at With Clarity · As of November 1, 2026
View at With Clarity

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 LG817639351 or 817639351. Listed at 22 retailers as of November 1, 2026, with prices from $391 to $2,020, a $1,629 spread on the same certified stone. With Clarity lists it at $2,020. 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°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817639351
Dimensions11.66 × 6.17 × 3.77 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.66 mm6.17 mm1.56 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817639351
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.1%

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 2
Current: $855 AUD|Low: $376 AUD|High: $2,093 AUD|Avg: $1,183 AUD|+1.9%
Retailer 1
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
November 2, 2026
Retailer 3$391 AUD
Retailer 4$485 AUD
Retailer 5$485 AUD
Retailer 15$655 AUD
Retailer 13$712 AUD
Retailer 14$825 AUD
Retailer 9$838 AUD
Retailer 1$855 AUD
Retailer 8$968 AUD
Retailer 12$1,130 AUD
Retailer 16$1,493 AUD
Retailer 11$1,680 AUD
Retailer 2$1,731 AUD
Retailer 7$1,888 AUD
Retailer 10$1,947 AUD
Retailer 6$1,970 AUD

40 data points across 16 retailers

22 retailers$391 AUD to $2,020 AUD

A
Cheapest Retailer
-
$391 AUD
$275 USD
A
Retailer 2
-
$438 AUD
$308 USD
View
Final sale: no returns
Retailer 3
-
$480 AUD
$337 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$485 AUD
$341 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$485 AUD
$341 USD
View
B+
Retailer 6
-
$655 AUD
$460 USD
View
A
Retailer 7
-
$712 AUD
$500 USD
View
A
Retailer 8
-
$806 AUD
$566 USD
View
A
Retailer 9
-
$825 AUD
€552 EUR
View
A
Retailer 10
-
$838 AUD
ZAR 9,509 ZAR
View
A
Retailer 11
-
$855 AUD
£473 GBP
View
B+
Retailer 12
-
$968 AUD
$680 USD
View
B+
Retailer 13
-
$1,130 AUD
View
B
Retailer 14
-
$1,493 AUD
$1,049 USD
View
B
Retailer 15
-
$1,634 AUD
$1,148 USD
View
B
Retailer 16
-
$1,680 AUD
$1,180 USD
View
B
Retailer 17
-
$1,731 AUD
$1,216 USD
View
Retailer 18
-
$1,846 AUD
$1,297 USD
View
Price last confirmed 18 days ago
B
Retailer 19
-
$1,888 AUD
£1,044 GBP
View
B
Retailer 20
-
$1,947 AUD
£1,077 GBP
View
Retailer 21
-
$1,970 AUD
SGD 1,870 SGD
View
Price last confirmed 21 days ago
Most Expensive
B
With Clarity
817639351 · Nov 1
$2,020 AUD
$1,419 USD
View
21 more retailers have this diamond
Prices start from $391 AUDSave up to $1,629 AUD

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
$391 AUD