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Round|Lab Grown|IGI

1.78ct G VVS2 Round Lab Grown Diamond

ID • G/VVS2 • IGI LG784688459

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784688459

Diamond specifications and retailer prices

From $340 CAD
$243 USD
As of October 29, 2026
Save $1,857 CAD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,197 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.78ct lab-grown round diamond

This 1.78ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG784688459 or 784688459. Listed at 21 retailers as of October 28, 2026, with prices from $340 to $2,197, a $1,857 spread on the same certified stone. Brilliant Earth lists it at $2,197. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784688459
Dimensions7.71 × 7.74 × 4.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm7.74 mm1.78 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784688459
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
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: $2,197 CAD|Low: $333 CAD|High: $2,393 CAD|Avg: $1,027 CAD|-8.2%
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
Retailer 19
October 30, 2026
Retailer 12$340 CAD
Retailer 8$395 CAD
Retailer 7$421 CAD
Retailer 13$661 CAD
Retailer 15$701 CAD
Retailer 19$708 CAD
Retailer 4$725 CAD
Retailer 14$787 CAD
Retailer 2$798 CAD
Retailer 16$879 CAD
Retailer 6$983 CAD
Retailer 11$1,083 CAD
Retailer 5$1,356 CAD
Retailer 9$1,428 CAD
Retailer 3$1,582 CAD
Retailer 18$1,715 CAD
Retailer 10$1,729 CAD
Retailer 17$1,871 CAD
Brilliant Earth$2,197 CAD

32 data points across 19 retailers

21 retailers$340 CAD to $2,197 CAD

A
Cheapest Retailer
-
$340 CAD
$243 USD
A
Retailer 2
-
$395 CAD
$282 USD
View
A
Retailer 3
-
$421 CAD
$301 USD
View
A
Retailer 4
-
$431 CAD
$308 USD
View
A
Retailer 5
-
$661 CAD
£372 GBP
View
A
Retailer 6
-
$701 CAD
€477 EUR
View
B+
Retailer 7
-
$708 CAD
$506 USD
View
A
Retailer 8
-
$725 CAD
ZAR 8,363 ZAR
View
A
Retailer 9
-
$787 CAD
$562 USD
View
A
Retailer 10
-
$798 CAD
£449 GBP
View
B+
Retailer 11
-
$879 CAD
$628 USD
View
B+
Retailer 12
-
$983 CAD
A$1,080 AUD
View
B+
Retailer 13
-
$1,083 CAD
$774 USD
View
B+
Retailer 14
-
$1,356 CAD
$969 USD
View
B
Retailer 15
-
$1,428 CAD
$1,021 USD
View
B
Retailer 16
-
$1,528 CAD
$1,092 USD
View
B
Retailer 17
-
$1,582 CAD
$1,130 USD
View
B
Retailer 18
-
$1,715 CAD
$1,225 USD
View
B
Retailer 19
-
$1,729 CAD
£973 GBP
View
B
Retailer 20
-
$1,871 CAD
$1,337 USD
View
Most Expensive
B
Brilliant Earth
18543125A · Oct 28
$2,197 CAD
$1,570 USD
View
20 more retailers have this diamond
Prices start from $340 CADSave up to $1,857 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
1.78ct Round
$340 CAD