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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG738504078

Shape and cutting style on the report: Round brilliant

Certificate IGI LG738504078

Diamond specifications and retailer prices

From $365 CAD
$261 USD
As of October 29, 2026
Save $1,576 CAD (81%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,794 CAD at Brilliant Earth · As of October 13, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG738504078 or 738504078. Listed at 26 retailers as of October 29, 2026, with a 432% 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
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738504078
Dimensions7.94 × 7.88 × 4.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm7.88 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738504078
Side View
Table 58.0%Crown 35.7°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.5%

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: $2,794 CAD|Low: $362 CAD|High: $2,794 CAD|Avg: $1,082 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
October 31, 2026
Retailer 14$365 CAD
Retailer 4$423 CAD
Retailer 13$423 CAD
Retailer 7$453 CAD
Retailer 8$453 CAD
Retailer 18$698 CAD
Retailer 20$720 CAD
Retailer 9$753 CAD
Retailer 17$774 CAD
Retailer 23$777 CAD
Retailer 6$841 CAD
Retailer 19$863 CAD
Retailer 22$879 CAD
Retailer 5$960 CAD
Retailer 3$1,052 CAD
Retailer 11$1,201 CAD
Retailer 15$1,454 CAD
Retailer 12$1,526 CAD
Retailer 16$1,662 CAD
Retailer 2$1,780 CAD
Retailer 21$1,824 CAD
Retailer 10$1,940 CAD
Brilliant Earth$2,794 CAD

28 data points across 23 retailers

26 retailers$365 CAD to $1,940 CAD

A
Cheapest Retailer
-
$365 CAD
$261 USD
A
Retailer 2
-
$423 CAD
$303 USD
View
Final sale: no returns
A
Retailer 3
-
$423 CAD
$303 USD
View
A
Retailer 4
-
$453 CAD
$324 USD
View
A
Retailer 5
-
$453 CAD
$324 USD
View
A
Retailer 6
-
$698 CAD
$500 USD
View
A
Retailer 7
-
$720 CAD
£406 GBP
View
B+
Retailer 8
-
$753 CAD
$539 USD
View
A
Retailer 9
-
$774 CAD
€528 EUR
View
A
Retailer 10
-
$777 CAD
ZAR 8,990 ZAR
View
A
Retailer 11
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$841 CAD
$602 USD
View
A
Retailer 12
-
$863 CAD
£487 GBP
View
A
Retailer 13
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$879 CAD
A$968 AUD
View
A
Retailer 14
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$960 CAD
$687 USD
View
A
Retailer 15
-
$1,052 CAD
A$1,159 AUD
View
B+
Retailer 16
-
$1,201 CAD
$860 USD
View
B+
Retailer 17
-
$1,454 CAD
$1,041 USD
View
B+
Retailer 18
-
$1,472 CAD
$1,054 USD
View
B+
Retailer 19
-
$1,526 CAD
$1,092 USD
View
B
Retailer 20
-
$1,680 CAD
$1,203 USD
View
Retailer 21
-
$1,688 CAD
A$1,859 AUD
View
Price last confirmed 30 days ago
Retailer 22
-
$1,691 CAD
$1,211 USD
View
Price last confirmed 73 days ago
B
Retailer 23
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$1,780 CAD
$1,274 USD
View
B
Retailer 24
-
$1,824 CAD
£1,028 GBP
View
B
Retailer 25
-
$1,940 CAD
$1,389 USD
View
Most Expensive
Brilliant Earth
16462177A · Oct 13
$2,794 CAD
$2,000 USD
View
Price last confirmed 18 days ago
25 more retailers have this diamond
Prices start from $365 CADSave up to $1,576 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
$365 CAD