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Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG655411900

Shape and cutting style on the report: Round brilliant

Certificate IGI LG655411900

Diamond specifications and retailer prices

From €341 EUR
$379 USD
As of October 29, 2026
Save €1,987 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,327 EUR at Rare Carat · As of October 25, 2026
View at Rare Carat

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 LG655411900 or 655411900. Listed at 19 retailers as of October 25, 2026, with prices from €341 to €2,327, a €1,987 spread on the same certified stone. Rare Carat lists it at €2,327. 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 angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655411900
Dimensions7.94 × 7.89 × 4.93 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
7.94 mm7.89 mm1.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655411900
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.3%

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: Oct 29
Current: €2,327 EUR|Low: €327 EUR|High: €2,372 EUR|Avg: €910 EUR|-1.9%
Rare Carat
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
October 30, 2026
Retailer 16€341 EUR
Retailer 5€381 EUR
Retailer 7€381 EUR
Retailer 3€422 EUR
Retailer 13€557 EUR
Retailer 15€580 EUR
Retailer 2€636 EUR
Retailer 6€657 EUR
Retailer 12€726 EUR
Retailer 9€762 EUR
Retailer 10€980 EUR
Retailer 14€1,184 EUR
Retailer 8€1,358 EUR
Retailer 4€1,581 EUR
Retailer 11€1,658 EUR
Rare Carat€2,327 EUR

42 data points across 16 retailers

19 retailers€341 EUR to €2,327 EUR

A
Cheapest Retailer
-
€341 EUR
$379 USD
A
Retailer 2
-
€381 EUR
$424 USD
View
A
Retailer 3
-
€381 EUR
$424 USD
View
Final sale: no returns
A
Retailer 4
-
€422 EUR
$470 USD
View
A
Retailer 5
-
€422 EUR
$470 USD
View
A
Retailer 6
-
€557 EUR
$620 USD
View
A
Retailer 7
-
€580 EUR
$645 USD
View
A
Retailer 8
-
€636 EUR
£558 GBP
View
A
Retailer 9
-
€657 EUR
$731 USD
View
A
Retailer 10
-
€726 EUR
ZAR 13,045 ZAR
View
A
Retailer 11
-
€762 EUR
£667 GBP
View
A
Retailer 12
-
€980 EUR
A$1,678 AUD
View
B+
Retailer 13
-
€1,184 EUR
$1,318 USD
View
B+
Retailer 14
-
€1,215 EUR
$1,352 USD
View
B+
Retailer 15
-
€1,358 EUR
$1,511 USD
View
B+
Retailer 16
-
€1,392 EUR
$1,549 USD
View
B+
Retailer 17
-
€1,581 EUR
$1,760 USD
View
B+
Retailer 18
-
€1,658 EUR
£1,453 GBP
View
Most Expensive
B
Rare Carat
GD12326_l_655411900 · Oct 25
€2,327 EUR
$2,590 USD
View
18 more retailers have this diamond
Prices start from €341 EURSave up to €1,987 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
€341 EUR