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Round|Lab Grown|IGI

1.51ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG778655790

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778655790

Diamond specifications and retailer prices

From $351 CAD
$251 USD
As of October 29, 2026
Save $1,912 CAD (85%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,263 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778655790 or 778655790. Listed at 27 retailers as of October 28, 2026, with prices from $351 to $2,263, a $1,912 spread on the same certified stone. Brilliant Earth lists it at $2,263. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778655790
Dimensions7.36 × 7.29 × 4.54 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
7.36 mm7.29 mm1.51 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778655790
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.0%

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: $2,263 CAD|Low: $351 CAD|High: $2,459 CAD|Avg: $1,038 CAD|-8.0%
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 30, 2026
Retailer 9$351 CAD
Retailer 8$391 CAD
Retailer 10$434 CAD
Retailer 18$501 CAD
Retailer 15$587 CAD
Retailer 2$704 CAD
Retailer 12$713 CAD
Retailer 14$748 CAD
Retailer 11$826 CAD
Retailer 4$908 CAD
Retailer 16$1,014 CAD
Retailer 7$1,316 CAD
Retailer 13$1,337 CAD
Retailer 6$1,398 CAD
Retailer 5$1,430 CAD
Retailer 3$1,713 CAD
Retailer 17$1,753 CAD
Brilliant Earth$2,263 CAD

42 data points across 18 retailers

27 retailers$351 CAD to $2,263 CAD

A
Cheapest Retailer
-
$351 CAD
$251 USD
Retailer 2
-
$351 CAD
$251 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$391 CAD
$280 USD
View
Final sale: no returns
Retailer 4
-
$429 CAD
$307 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$434 CAD
$311 USD
View
A
Retailer 6
-
$434 CAD
$311 USD
View
A
Retailer 7
-
$501 CAD
HK$2,800 HKD
View
B+
Retailer 8
-
$587 CAD
$420 USD
View
A
Retailer 9
-
$587 CAD
$420 USD
View
A
Retailer 10
-
$665 CAD
$476 USD
View
A
Retailer 11
-
$704 CAD
£397 GBP
View
A
Retailer 12
-
$713 CAD
€486 EUR
View
A
Retailer 13
-
$748 CAD
ZAR 8,645 ZAR
View
B+
Retailer 14
-
$826 CAD
£466 GBP
View
B+
Retailer 15
-
$908 CAD
$650 USD
View
B+
Retailer 16
-
$1,014 CAD
A$1,117 AUD
View
B+
Retailer 17
-
$1,097 CAD
$785 USD
View
B
Retailer 18
-
$1,337 CAD
$957 USD
View
B
Retailer 19
-
$1,342 CAD
$961 USD
View
Retailer 20
-
$1,398 CAD
$1,001 USD
View
Price last confirmed 39 days ago
B
Retailer 21
-
$1,398 CAD
$1,001 USD
View
B
Retailer 22
-
$1,430 CAD
SGD 1,383 SGD
View
B
Retailer 23
-
$1,471 CAD
$1,053 USD
View
B
Retailer 24
-
$1,713 CAD
$1,226 USD
View
B
Retailer 25
-
$1,753 CAD
£988 GBP
View
B
Retailer 26
-
$1,895 CAD
$1,357 USD
View
Most Expensive
B
Brilliant Earth
20972774A · Oct 28
$2,263 CAD
$1,620 USD
View
26 more retailers have this diamond
Prices start from $351 CADSave up to $1,912 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
1.51ct Round
$351 CAD