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Marquise|Lab Grown|IGI

1.31ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG662489586

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG662489586

Diamond specifications and retailer prices

From $267 USD
As of November 2, 2026
Save $1,199 USD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,370 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore 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 LG662489586 or 662489586. Listed at 24 retailers as of November 1, 2026, with a 449% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.2°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662489586
Dimensions11.60 × 5.57 × 3.58 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Top View
11.60 mm5.57 mm1.31 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662489586
Side View
Table 62.0%Crown 35.2°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 64.3%

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: $2,590 USD|Low: $257 USD|High: $2,590 USD|Avg: $853 USD
Do Amore Diamonds
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
Retailer 18
November 2, 2026
Retailer 4$257 USD
Retailer 6$298 USD
Retailer 3$331 USD
Retailer 10$406 USD
Retailer 17$410 USD
Retailer 7$443 USD
Retailer 5$448 USD
Retailer 11$631 USD
Retailer 2$643 USD
Retailer 18$735 USD
Retailer 15$808 USD
Retailer 14$892 USD
Retailer 16$1,018 USD
Retailer 9$1,341 USD
Retailer 12$1,390 USD
Retailer 8$1,406 USD
Retailer 13$1,466 USD
Do Amore Diamonds$2,590 USD

44 data points across 18 retailers

24 retailers$267 USD to $1,466 USD

Retailer 1
-
$257 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$267 USD
View
A
Retailer 3
-
$298 USD
View
Final sale: no returns
Retailer 4
-
$310 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$331 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$331 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$331 USD
View
A
Retailer 8
-
$406 USD
View
A
Retailer 9
-
$410 USD
View
A
Retailer 10
-
$443 USD
View
A
Retailer 11
-
$448 USD
View
B+
Retailer 12
-
$631 USD
ZAR 10,191 ZAR
View
B+
Retailer 13
-
$643 USD
£506 GBP
View
B+
Retailer 14
-
$735 USD
View
B+
Retailer 15
-
$808 USD
A$1,243 AUD
View
B+
Retailer 16
-
$892 USD
A$1,373 AUD
View
B
Retailer 17
-
$1,018 USD
View
Retailer 18
-
$1,176 USD
View
Price last confirmed 33 days ago
B
Retailer 19
-
$1,176 USD
View
B
Retailer 20
-
$1,341 USD
View
B
Retailer 21
-
$1,390 USD
View
B
Retailer 22
-
$1,406 USD
View
B
Retailer 23
-
$1,466 USD
£1,154 GBP
View
Most Expensive
Do Amore Diamonds
27-6985CA47F · Nov 2
$2,370 USD
View
Price under review
23 more retailers have this diamond
Prices start from $267 USDSave up to $1,199 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
$267 USD