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Marquise|Lab Grown|IGI

1.31ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG801682744

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801682744

Diamond specifications and retailer prices

From €350 EUR
As of October 27, 2026
Save €836 EUR (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,186 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG801682744 or 801682744. Listed at 16 retailers as of October 27, 2026, with prices from €350 to €1,186, a €836 spread on the same certified stone. Brilliant Earth lists it at €1,186. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801682744
Dimensions11.67 × 5.57 × 3.55 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.67 mm5.57 mm1.31 ctG / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG801682744
Side View
Table 61.0%Crown 32.4°Girdle: THK-VTKPavilion 40.8°Culet: NoneDepth 63.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: €1,186 EUR|Low: €187 EUR|High: €1,275 EUR|Avg: €579 EUR|-7.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 27, 2026
Retailer 11€187 EUR
Retailer 6€350 EUR
Retailer 2€357 EUR
Retailer 5€375 EUR
Retailer 10€445 EUR
Retailer 8€498 EUR
Retailer 3€516 EUR
Retailer 4€678 EUR
Retailer 12€717 EUR
Retailer 7€974 EUR
Retailer 9€1,031 EUR
Brilliant Earth€1,186 EUR

33 data points across 12 retailers

16 retailers€350 EUR to €1,186 EUR

Retailer 1
-
€184 EUR
$206 USD
Price last confirmed 25 days ago
Retailer 2
-
€213 EUR
$239 USD
View
Price last confirmed 19 days ago
Retailer 3
-
€228 EUR
$256 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
€350 EUR
View
A
Retailer 5
-
€357 EUR
ZAR 6,475 ZAR
View
Retailer 6
-
€375 EUR
£332 GBP
View
Price last confirmed 7 days ago
A
Retailer 7
-
€445 EUR
$499 USD
View
Retailer 8
-
€498 EUR
$559 USD
View
Price last confirmed 7 days ago
Retailer 9
-
€516 EUR
$579 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
€678 EUR
$760 USD
View
Retailer 11
-
€717 EUR
$804 USD
View
Price last confirmed 7 days ago
Retailer 12
-
€734 EUR
$823 USD
View
Price last confirmed 33 days ago
Retailer 13
-
€974 EUR
£860 GBP
View
Price last confirmed 7 days ago
Retailer 14
-
€1,031 EUR
$1,156 USD
View
Price last confirmed 9 days ago
Retailer 15
-
€1,186 EUR
$1,330 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20576385A · Oct 28
€1,186 EUR
$1,330 USD
View
15 more retailers have this diamond
Prices start from €350 EURSave up to €836 EUR

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
€350 EUR