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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 $275 USD
As of October 27, 2026
Save $1,144 USD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,419 USD at With Clarity · As of October 28, 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 October 27, 2026, with prices from $275 to $1,419, a $1,144 spread on the same certified stone. With Clarity lists it at $1,419. 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°
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $794 USD|Low: $308 USD|High: $1,470 USD|Avg: $830 USD|+0.2%
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
October 28, 2026
Retailer 7$308 USD
Retailer 4$341 USD
Retailer 14$460 USD
Retailer 10$500 USD
Retailer 11$580 USD
Retailer 8$587 USD
Retailer 9$597 USD
Retailer 6$680 USD
Retailer 1$794 USD
Retailer 15$1,049 USD
Retailer 2$1,216 USD
Retailer 5$1,326 USD
Retailer 12$1,370 USD
Retailer 3$1,384 USD
Retailer 13$1,390 USD

43 data points across 15 retailers

22 retailers$275 USD to $1,419 USD

A
Cheapest Retailer
-
$275 USD
A
Retailer 2
-
$308 USD
View
Final sale: no returns
A
Retailer 3
-
$337 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$341 USD
View
A
Retailer 5
-
$341 USD
View
B+
Retailer 6
-
$460 USD
View
A
Retailer 7
-
$500 USD
View
A
Retailer 8
-
$566 USD
View
A
Retailer 9
-
$580 USD
€552 EUR
View
A
Retailer 10
-
$587 USD
ZAR 9,475 ZAR
View
A
Retailer 11
-
$597 USD
£470 GBP
View
B+
Retailer 12
-
$680 USD
View
B+
Retailer 13
-
$794 USD
A$1,221 AUD
View
B
Retailer 14
-
$1,049 USD
View
B
Retailer 15
-
$1,148 USD
View
B
Retailer 16
-
$1,216 USD
View
B
Retailer 17
-
$1,297 USD
View
Price last confirmed 14 days ago
B
Retailer 18
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$1,326 USD
£1,044 GBP
View
B
Retailer 19
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$1,370 USD
£1,079 GBP
View
B
Retailer 20
-
$1,384 USD
SGD 1,870 SGD
View
Price last confirmed 17 days ago
B
Retailer 21
-
$1,390 USD
View
Most Expensive
B
With Clarity
817639351 · Oct 28
$1,419 USD
View
21 more retailers have this diamond
Prices start from $275 USDSave up to $1,144 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
$275 USD