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Marquise|Lab Grown|IGI

1.91ct F IF Marquise Lab Grown Diamond

VG • F/IF • IGI LG627482530

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG627482530

Diamond specifications and retailer prices

From €542 EUR
$605 USD
As of November 2, 2026
Save €2,372 EUR (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €2,914 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.91ct lab-grown marquise diamond

This 1.91ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG627482530 or 627482530. Listed at 20 retailers as of November 1, 2026, with prices from €542 to €2,914, a €2,372 spread on the same certified stone. MOH London lists it at €2,914. 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

1.91
Carat
F
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627482530
Dimensions12.41 × 6.47 × 4.08 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.41 mm6.47 mm1.91 ctF / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627482530
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.1%

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: €2,914 EUR|Low: €542 EUR|High: €2,970 EUR|Avg: €1,568 EUR|-0.7%
MOH London
Retailer 2
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Retailer 19
Retailer 20
November 2, 2026
Retailer 20€542 EUR
Retailer 14€606 EUR
Retailer 6€671 EUR
Retailer 18€671 EUR
Retailer 2€691 EUR
Retailer 15€788 EUR
Retailer 5€873 EUR
Retailer 12€928 EUR
Retailer 7€1,030 EUR
Retailer 13€1,153 EUR
Retailer 19€1,469 EUR
Retailer 16€1,665 EUR
Retailer 4€1,765 EUR
Retailer 9€1,951 EUR
Retailer 8€2,142 EUR
Retailer 3€2,167 EUR
Retailer 17€2,484 EUR
Retailer 11€2,696 EUR
Retailer 10€2,778 EUR
MOH London€2,914 EUR

36 data points across 20 retailers

20 retailers€542 EUR to €2,914 EUR

A
Cheapest Retailer
-
€542 EUR
$605 USD
A
Retailer 2
-
€606 EUR
$677 USD
View
A
Retailer 3
-
€671 EUR
$750 USD
View
Retailer 4
-
€671 EUR
$750 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
€691 EUR
£608 GBP
View
A
Retailer 6
-
€788 EUR
$880 USD
View
A
Retailer 7
-
€873 EUR
$975 USD
View
Retailer 8
-
€928 EUR
HK$8,100 HKD
View
Price last confirmed 59 days ago
A
Retailer 9
-
€1,030 EUR
$1,151 USD
View
A
Retailer 10
-
€1,153 EUR
ZAR 20,815 ZAR
View
B+
Retailer 11
-
€1,469 EUR
$1,641 USD
View
B+
Retailer 12
-
€1,665 EUR
$1,860 USD
View
B+
Retailer 13
-
€1,765 EUR
$1,972 USD
View
B+
Retailer 14
-
€1,951 EUR
£1,716 GBP
View
B
Retailer 15
-
€2,142 EUR
$2,393 USD
View
B
Retailer 16
-
€2,167 EUR
$2,421 USD
View
B
Retailer 17
-
€2,484 EUR
$2,775 USD
View
Retailer 18
-
€2,696 EUR
SGD 4,071 SGD
View
Price last confirmed 25 days ago
Retailer 19
-
€2,778 EUR
A$4,774 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
MOH London
LG627482530 · Nov 1
€2,914 EUR
£2,563 GBP
View
19 more retailers have this diamond
Prices start from €542 EURSave up to €2,372 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
1.91ct Marquise
€542 EUR