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Round|Lab Grown|IGI

1.78ct G VVS2 Round Lab Grown Diamond

ID • G/VVS2 • IGI LG781609698

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781609698

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)
22 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 LG781609698 or 781609698. Listed at 22 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 angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781609698
Dimensions7.78 × 7.83 × 4.78 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
7.78 mm7.83 mm1.78 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781609698
Side View
Table 57.0%Crown 33.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.3%

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: $2,197 CAD|Low: $333 CAD|High: $2,393 CAD|Avg: $1,044 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 29, 2026
Retailer 12$340 CAD
Retailer 9$395 CAD
Retailer 8$421 CAD
Retailer 14$661 CAD
Retailer 16$701 CAD
Retailer 3$708 CAD
Retailer 5$725 CAD
Retailer 15$787 CAD
Retailer 2$795 CAD
Retailer 17$879 CAD
Retailer 7$983 CAD
Retailer 11$1,083 CAD
Retailer 6$1,356 CAD
Retailer 10$1,428 CAD
Retailer 4$1,582 CAD
Retailer 13$1,699 CAD
Retailer 19$1,715 CAD
Retailer 18$1,871 CAD
Brilliant Earth$2,197 CAD

32 data points across 19 retailers

22 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
-
$795 CAD
£448 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
Retailer 14
-
$1,264 CAD
$903 USD
View
Price last confirmed 43 days ago
B+
Retailer 15
-
$1,356 CAD
$969 USD
View
B
Retailer 16
-
$1,428 CAD
$1,021 USD
View
B
Retailer 17
-
$1,528 CAD
$1,092 USD
View
B
Retailer 18
-
$1,582 CAD
$1,130 USD
View
B
Retailer 19
-
$1,699 CAD
£956 GBP
View
B
Retailer 20
-
$1,715 CAD
$1,225 USD
View
B
Retailer 21
-
$1,871 CAD
$1,337 USD
View
Most Expensive
B
Brilliant Earth
18294398A · Oct 28
$2,197 CAD
$1,570 USD
View
21 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