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Marquise|Lab Grown|IGI

1.56ct F VS1 Marquise Lab Grown Diamond

VG • F/VS1 • IGI LG825654517

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825654517

Diamond specifications and retailer prices

From $253 USD
As of November 2, 2026
Save $1,051 USD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,304 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 very-good cut grade and certified by IGI LG825654517 or 825654517. Listed at 19 retailers as of November 1, 2026, with prices from $253 to $1,304, a $1,051 spread on the same certified stone. With Clarity lists it at $1,304. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.56
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825654517
Dimensions12.74 × 6.09 × 3.60 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.74 mm6.09 mm1.56 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825654517
Side View
Table 59.0%Crown 31.2°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.1%

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 2
Current: $811 USD|Low: $253 USD|High: $1,304 USD|Avg: $677 USD|-8.7%
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
Retailer 17
With Clarity
November 2, 2026
Retailer 4$253 USD
Retailer 5$283 USD
Retailer 16$314 USD
Retailer 17$314 USD
Retailer 10$367 USD
Retailer 6$422 USD
Retailer 9$475 USD
Retailer 12$542 USD
Retailer 2$552 USD
Retailer 11$593 USD
Retailer 15$731 USD
Retailer 1$811 USD
Retailer 14$951 USD
Retailer 7$1,012 USD
Retailer 3$1,060 USD
Retailer 8$1,234 USD
Retailer 13$1,257 USD
With Clarity$1,304 USD

29 data points across 18 retailers

19 retailers$253 USD to $1,304 USD

A
Cheapest Retailer
-
$253 USD
A
Retailer 2
-
$283 USD
View
Final sale: no returns
Retailer 3
-
$314 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$314 USD
View
A
Retailer 5
-
$367 USD
£289 GBP
View
B+
Retailer 6
-
$422 USD
View
A
Retailer 7
-
$475 USD
View
A
Retailer 8
-
$542 USD
ZAR 8,748 ZAR
View
A
Retailer 9
-
$552 USD
View
A
Retailer 10
-
$593 USD
£467 GBP
View
A
Retailer 11
-
$731 USD
A$1,125 AUD
View
B+
Retailer 12
-
$811 USD
View
B+
Retailer 13
-
$951 USD
A$1,463 AUD
View
Retailer 14
-
$1,000 USD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
$1,012 USD
SGD 1,367 SGD
View
B
Retailer 16
-
$1,060 USD
View
B
Retailer 17
-
$1,234 USD
View
B
Retailer 18
-
$1,257 USD
£990 GBP
View
Most Expensive
B
With Clarity
825654517 · Nov 1
$1,304 USD
View
18 more retailers have this diamond
Prices start from $253 USDSave up to $1,051 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
$253 USD