CaratHunter
Plans
Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG640491565

Shape and cutting style on the report: Round brilliant

Certificate IGI LG640491565

Diamond specifications and retailer prices

From €551 EUR
$613 USD
As of October 29, 2026
Save €4,193 EUR (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €4,744 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG640491565 or 640491565. Listed at 24 retailers as of October 29, 2026, with prices from €551 to €4,744, a €4,193 spread on the same certified stone. Brilliant Earth lists it at €4,744. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640491565
Dimensions7.88 × 7.93 × 4.92 mm
L/W Ratio1.01
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
7.88 mm7.93 mm1.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640491565
Side View
Table 58.0%Crown 35.8°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

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 29
Current: €4,744 EUR|Low: €529 EUR|High: €4,744 EUR|Avg: €1,575 EUR
Brilliant Earth
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
October 29, 2026
Retailer 5€551 EUR
Retailer 9€616 EUR
Retailer 8€683 EUR
Retailer 18€800 EUR
Retailer 6€916 EUR
Retailer 15€962 EUR
Retailer 11€1,033 EUR
Retailer 12€1,041 EUR
Retailer 2€1,063 EUR
Retailer 13€1,174 EUR
Retailer 16€1,601 EUR
Retailer 3€1,695 EUR
Retailer 7€1,831 EUR
Retailer 4€2,075 EUR
Retailer 10€2,257 EUR
Retailer 17€2,430 EUR
Retailer 14€2,970 EUR
Brilliant Earth€4,744 EUR

30 data points across 18 retailers

24 retailers€551 EUR to €4,744 EUR

A
Cheapest Retailer
-
€551 EUR
$613 USD
A
Retailer 2
-
€616 EUR
$686 USD
View
Final sale: no returns
A
Retailer 3
-
€617 EUR
$687 USD
View
A
Retailer 4
-
€683 EUR
$760 USD
View
Retailer 5
-
€683 EUR
$760 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
€800 EUR
$890 USD
View
A
Retailer 7
-
€885 EUR
$985 USD
View
A
Retailer 8
-
€916 EUR
$1,020 USD
View
A
Retailer 9
-
€962 EUR
A$1,648 AUD
View
A
Retailer 10
-
€1,033 EUR
£905 GBP
View
A
Retailer 11
-
€1,041 EUR
View
A
Retailer 12
-
€1,063 EUR
£932 GBP
View
A
Retailer 13
-
€1,174 EUR
ZAR 21,114 ZAR
View
B+
Retailer 14
-
€1,288 EUR
$1,433 USD
View
Retailer 15
-
€1,601 EUR
A$2,741 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
€1,695 EUR
$1,887 USD
View
B+
Retailer 17
-
€1,797 EUR
$2,000 USD
View
Retailer 18
-
€1,831 EUR
A$3,135 AUD
View
Price last confirmed 21 days ago
B+
Retailer 19
-
€2,075 EUR
$2,310 USD
View
B
Retailer 20
-
€2,208 EUR
$2,458 USD
View
B
Retailer 21
-
€2,257 EUR
$2,512 USD
View
B+
Retailer 22
-
€2,430 EUR
$2,705 USD
View
B
Retailer 23
-
€2,970 EUR
£2,603 GBP
View
Most Expensive
B
Brilliant Earth
11460987A · Oct 29
€4,744 EUR
$5,280 USD
View
23 more retailers have this diamond
Prices start from €551 EURSave up to €4,193 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 Round
€551 EUR