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Marquise|Lab Grown|IGI

1.31ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG741579516

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG741579516

Diamond specifications and retailer prices

From $267 USD
As of October 27, 2026
Save $1,206 USD (82%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,590 USD at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG741579516 or 741579516. Listed at 26 retailers as of October 27, 2026, with a 452% 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
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741579516
Dimensions5.72 × 5.72 × 3.46 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
5.72 mm5.72 mm1.31 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741579516
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.5%

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: Oct 27
Current: $2,590 USD|Low: $212 USD|High: $2,590 USD|Avg: $873 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
Retailer 19
October 29, 2026
Retailer 5$257 USD
Retailer 7$298 USD
Retailer 4$331 USD
Retailer 11$404 USD
Retailer 19$405 USD
Retailer 8$443 USD
Retailer 6$453 USD
Retailer 15$628 USD
Retailer 2$646 USD
Retailer 13$668 USD
Retailer 3$820 USD
Retailer 16$858 USD
Retailer 14$892 USD
Retailer 18$1,018 USD
Retailer 10$1,341 USD
Retailer 17$1,390 USD
Retailer 9$1,405 USD
Retailer 12$1,473 USD
Do Amore Diamonds$2,590 USD

43 data points across 19 retailers

26 retailers$267 USD to $1,473 USD

A
Retailer 1
-
$257 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$267 USD
View
A
Retailer 3
-
$298 USD
View
Final sale: no returns
A
Retailer 4
-
$310 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$331 USD
View
A
Retailer 6
-
$331 USD
View
Price last confirmed 26 days ago
A
Retailer 7
-
$331 USD
View
A
Retailer 8
-
$404 USD
View
A
Retailer 9
-
$405 USD
View
A
Retailer 10
-
$443 USD
View
A
Retailer 11
-
$453 USD
View
B+
Retailer 12
-
$628 USD
ZAR 10,151 ZAR
View
B+
Retailer 13
-
$646 USD
£509 GBP
View
B+
Retailer 14
-
$668 USD
A$1,028 AUD
View
B+
Retailer 15
-
$820 USD
View
B+
Retailer 16
-
$858 USD
A$1,320 AUD
View
B+
Retailer 17
-
$892 USD
A$1,372 AUD
View
B
Retailer 18
-
$1,018 USD
View
B
Retailer 19
-
$1,176 USD
View
Price last confirmed 29 days ago
B
Retailer 20
-
$1,176 USD
View
B
Retailer 21
-
$1,341 USD
View
B
Retailer 22
-
$1,390 USD
View
B
Retailer 23
-
$1,405 USD
View
B
Retailer 24
-
$1,473 USD
£1,160 GBP
View
B
Retailer 25
-
$2,370 USD
View
Price under review
Most Expensive
B
Do Amore Diamonds
23-741579516 · Oct 29
$2,590 USD
View
Price under review
25 more retailers have this diamond
Prices start from $267 USDSave up to $1,206 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