CaratHunter
Plans
Marquise|Lab Grown|IGI

1.56ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG837605140

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837605140

Diamond specifications and retailer prices

From $254 USD
As of November 2, 2026
Save $1,098 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,352 USD 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837605140 or 837605140. Listed at 14 retailers as of November 1, 2026, with prices from $254 to $1,352, a $1,098 spread on the same certified stone. With Clarity lists it at $1,352. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837605140
Dimensions11.95 × 5.93 × 3.77 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.95 mm5.93 mm1.56 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837605140
Side View
Table 62.0%Crown 39°Girdle: THN-STKPavilion 40.7°Culet: NoneDepth 63.6%

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: $368 USD|Low: $246 USD|High: $1,352 USD|Avg: $871 USD|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 2, 2026
Retailer 12$254 USD
Retailer 9$295 USD
Retailer 1$368 USD
Retailer 7$521 USD
Retailer 4$655 USD
Retailer 6$735 USD
Retailer 10$968 USD
Retailer 8$970 USD
Retailer 3$1,013 USD
Retailer 2$1,149 USD
Retailer 11$1,230 USD
Retailer 5$1,262 USD
With Clarity$1,352 USD

31 data points across 13 retailers

14 retailers$254 USD to $1,352 USD

A
Cheapest Retailer
-
$254 USD
Retailer 2
-
$254 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$295 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$368 USD
£290 GBP
View
Retailer 5
-
$521 USD
€496 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
$655 USD
View
A
Retailer 7
-
$735 USD
A$1,130 AUD
View
B+
Retailer 8
-
$968 USD
View
B+
Retailer 9
-
$970 USD
View
Retailer 10
-
$1,013 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$1,149 USD
View
B
Retailer 12
-
$1,230 USD
View
B+
Retailer 13
-
$1,262 USD
£994 GBP
View
Most Expensive
B
With Clarity
837605140 · Nov 1
$1,352 USD
View
13 more retailers have this diamond
Prices start from $254 USDSave up to $1,098 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
$254 USD