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Round|Lab Grown|IGI

1.78ct G VVS2 Round Lab Grown Diamond

EX • G/VVS2 • IGI LG818685283

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818685283

Diamond specifications and retailer prices

From $336 CAD
$240 USD
As of October 29, 2026
Save $1,596 CAD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,931 CAD at Brilliant Earth · As of October 29, 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 LG818685283 or 818685283. Listed at 23 retailers as of October 29, 2026, with prices from $336 to $1,931, a $1,596 spread on the same certified stone. Brilliant Earth lists it at $1,931. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818685283
Dimensions7.71 × 7.66 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm7.66 mm1.78 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818685283
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

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: $1,931 CAD|Low: $323 CAD|High: $2,421 CAD|Avg: $983 CAD|-10.4%
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 29, 2026
Retailer 3$336 CAD
Retailer 6$376 CAD
Retailer 9$390 CAD
Retailer 7$417 CAD
Retailer 13$563 CAD
Retailer 17$653 CAD
Retailer 12$669 CAD
Retailer 14$716 CAD
Retailer 2$786 CAD
Retailer 8$889 CAD
Retailer 15$973 CAD
Retailer 18$1,047 CAD
Retailer 10$1,341 CAD
Retailer 16$1,568 CAD
Retailer 11$1,680 CAD
Retailer 4$1,698 CAD
Retailer 5$1,851 CAD
Brilliant Earth$1,931 CAD

42 data points across 18 retailers

23 retailers$336 CAD to $1,931 CAD

A
Cheapest Retailer
-
$336 CAD
$240 USD
A
Retailer 2
-
$376 CAD
$269 USD
View
Final sale: no returns
A
Retailer 3
-
$390 CAD
$279 USD
View
A
Retailer 4
-
$417 CAD
$298 USD
View
A
Retailer 5
-
$417 CAD
$298 USD
View
B+
Retailer 6
-
$563 CAD
$402 USD
View
Retailer 7
-
$653 CAD
£368 GBP
View
Price last confirmed 13 days ago
A
Retailer 8
-
$669 CAD
€455 EUR
View
A
Retailer 9
-
$716 CAD
ZAR 8,270 ZAR
View
A
Retailer 10
-
$786 CAD
£442 GBP
View
B+
Retailer 11
-
$866 CAD
$619 USD
View
B+
Retailer 12
-
$878 CAD
$627 USD
View
B+
Retailer 13
-
$889 CAD
$635 USD
View
B+
Retailer 14
-
$973 CAD
A$1,069 AUD
View
B+
Retailer 15
-
$1,047 CAD
$748 USD
View
B+
Retailer 16
-
$1,341 CAD
$958 USD
View
B
Retailer 17
-
$1,413 CAD
$1,010 USD
View
Retailer 18
-
$1,568 CAD
$1,120 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$1,680 CAD
£945 GBP
View
B
Retailer 20
-
$1,698 CAD
$1,213 USD
View
B
Retailer 21
-
$1,705 CAD
$1,218 USD
View
B
Retailer 22
-
$1,851 CAD
$1,322 USD
View
Most Expensive
B
Brilliant Earth
21053173A · Oct 29
$1,931 CAD
$1,380 USD
View
22 more retailers have this diamond
Prices start from $336 CADSave up to $1,596 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
$336 CAD