Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG828671781

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828671781

Diamond specifications and retailer prices

From $218 USD
As of November 2, 2026
Save $1,034 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,252 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.31ct lab-grown marquise diamond

This 1.31ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828671781 or 828671781. Listed at 18 retailers as of November 1, 2026, with prices from $218 to $1,252, a $1,034 spread on the same certified stone. Reve Diamonds lists it at $1,252. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828671781
Dimensions10.73 × 5.90 × 3.60 mm
L/W Ratio1.82
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.73 mm5.90 mm1.31 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828671781
Side View
Table 55.0%Crown 30.6°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 61.0%

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: $498 USD|Low: $210 USD|High: $1,099 USD|Avg: $533 USD|+3.6%
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
November 3, 2026
Retailer 2$218 USD
Retailer 7$244 USD
Retailer 5$253 USD
Retailer 3$271 USD
Retailer 6$271 USD
Retailer 12$365 USD
Retailer 14$454 USD
Retailer 9$468 USD
Retailer 1$498 USD
Retailer 8$662 USD
Retailer 13$744 USD
Retailer 10$760 USD
Retailer 4$871 USD
Retailer 15$874 USD
Retailer 11$1,086 USD

44 data points across 15 retailers

18 retailers$218 USD to $1,252 USD

A
Cheapest Retailer
-
$218 USD
A
Retailer 2
-
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$253 USD
View
Retailer 4
-
$271 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$271 USD
View
B+
Retailer 6
-
$365 USD
View
A
Retailer 7
-
$454 USD
€432 EUR
View
A
Retailer 8
-
$468 USD
ZAR 7,555 ZAR
View
A
Retailer 9
-
$498 USD
£392 GBP
View
A
Retailer 10
-
$509 USD
View
B+
Retailer 11
-
$662 USD
A$1,019 AUD
View
B+
Retailer 12
-
$744 USD
A$1,144 AUD
View
B+
Retailer 13
-
$760 USD
View
B
Retailer 14
-
$871 USD
View
B
Retailer 15
-
$874 USD
View
B
Retailer 16
-
$924 USD
View
B
Retailer 17
-
$1,086 USD
£855 GBP
View
Most Expensive
B
Reve Diamonds
94255A0C7 · Nov 1
$1,252 USD
View
17 more retailers have this diamond
Prices start from $218 USDSave up to $1,034 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
1.31ct Marquise
$218 USD