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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 €325 EUR
$363 USD
As of November 1, 2026
Save €1,252 EUR (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,318 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 November 1, 2026, with a 385% 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

1.91
Carat
E
Color
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: Nov 1
Current: €2,318 EUR|Low: €325 EUR|High: €2,341 EUR|Avg: €919 EUR|-1.0%
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 2€325 EUR
Retailer 16€363 EUR
Retailer 4€378 EUR
Retailer 17€404 EUR
Retailer 18€537 EUR
Retailer 10€577 EUR
Retailer 12€606 EUR
Retailer 14€644 EUR
Retailer 8€723 EUR
Retailer 13€726 EUR
Retailer 7€976 EUR
Retailer 9€1,180 EUR
Retailer 15€1,205 EUR
Retailer 3€1,297 EUR
Retailer 6€1,333 EUR
Retailer 5€1,523 EUR
Retailer 11€1,577 EUR
Rare Carat€2,318 EUR

35 data points across 18 retailers

19 retailers€325 EUR to €1,577 EUR

A
Cheapest Retailer
-
€325 EUR
$363 USD
A
Retailer 2
-
€363 EUR
$406 USD
View
Final sale: no returns
A
Retailer 3
-
€378 EUR
$422 USD
View
A
Retailer 4
-
€404 EUR
$451 USD
View
A
Retailer 5
-
€421 EUR
$470 USD
View
A
Retailer 6
-
€537 EUR
$600 USD
View
A
Retailer 7
-
€577 EUR
$645 USD
View
A
Retailer 8
-
€606 EUR
£533 GBP
View
A
Retailer 9
-
€644 EUR
$720 USD
View
A
Retailer 10
-
€723 EUR
ZAR 13,045 ZAR
View
A
Retailer 11
-
€726 EUR
£638 GBP
View
A
Retailer 12
-
€976 EUR
A$1,678 AUD
View
B+
Retailer 13
-
€1,180 EUR
$1,318 USD
View
B+
Retailer 14
-
€1,205 EUR
$1,346 USD
View
B+
Retailer 15
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€1,297 EUR
$1,449 USD
View
B+
Retailer 16
-
€1,333 EUR
$1,489 USD
View
B+
Retailer 17
-
€1,523 EUR
$1,702 USD
View
B+
Retailer 18
-
€1,577 EUR
£1,387 GBP
View
Most Expensive
Rare Carat
GD12326_l_655411900 · Oct 25
€2,318 EUR
$2,590 USD
View
Price last confirmed 7 days ago
18 more retailers have this diamond
Prices start from €325 EURSave up to €1,252 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
€325 EUR