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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 $530 CAD
$379 USD
As of October 29, 2026
Save $3,095 CAD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,625 CAD 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 $530 to $3,625, a $3,095 spread on the same certified stone. Rare Carat lists it at $3,625. 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: Oct 29
Current: $3,625 CAD|Low: $509 CAD|High: $3,695 CAD|Avg: $1,411 CAD|-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 29, 2026
Retailer 16$530 CAD
Retailer 5$593 CAD
Retailer 7$593 CAD
Retailer 3$658 CAD
Retailer 13$868 CAD
Retailer 15$903 CAD
Retailer 10$994 CAD
Retailer 6$1,023 CAD
Retailer 11$1,130 CAD
Retailer 12$1,179 CAD
Retailer 2$1,527 CAD
Retailer 14$1,845 CAD
Retailer 8$2,115 CAD
Retailer 4$2,463 CAD
Retailer 9$2,583 CAD
Rare Carat$3,625 CAD

41 data points across 16 retailers

19 retailers$530 CAD to $3,625 CAD

A
Cheapest Retailer
-
$530 CAD
$379 USD
A
Retailer 2
-
$593 CAD
$424 USD
View
A
Retailer 3
-
$593 CAD
$424 USD
View
Final sale: no returns
A
Retailer 4
-
$658 CAD
$470 USD
View
A
Retailer 5
-
$658 CAD
$470 USD
View
A
Retailer 6
-
$868 CAD
$620 USD
View
A
Retailer 7
-
$903 CAD
$645 USD
View
A
Retailer 8
-
$994 CAD
£559 GBP
View
A
Retailer 9
-
$1,023 CAD
$731 USD
View
A
Retailer 10
-
$1,130 CAD
ZAR 13,045 ZAR
View
A
Retailer 11
-
$1,179 CAD
£663 GBP
View
A
Retailer 12
-
$1,527 CAD
A$1,678 AUD
View
B+
Retailer 13
-
$1,845 CAD
$1,318 USD
View
B+
Retailer 14
-
$1,892 CAD
$1,352 USD
View
B+
Retailer 15
-
$2,115 CAD
$1,511 USD
View
B+
Retailer 16
-
$2,168 CAD
$1,549 USD
View
B+
Retailer 17
-
$2,463 CAD
$1,760 USD
View
B+
Retailer 18
-
$2,583 CAD
£1,453 GBP
View
Most Expensive
B
Rare Carat
GD12326_l_655411900 · Oct 25
$3,625 CAD
$2,590 USD
View
18 more retailers have this diamond
Prices start from $530 CADSave up to $3,095 CAD

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
$530 CAD