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Round|Lab Grown|IGI

10.78ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG817695525

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817695525

Diamond specifications and retailer prices

From $3,321 CAD
£1,872 GBP
As of October 30, 2026
Save $25,721 CAD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $29,042 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.78ct lab-grown round diamond

This 10.78ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817695525 or 817695525. Listed at 12 retailers as of October 29, 2026, with prices from $3,321 to $29,042, a $25,721 spread on the same certified stone. Brilliant Earth lists it at $29,042. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.78
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695525
Dimensions14.33 × 14.23 × 8.55 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
14.33 mm14.23 mm10.78 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695525
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.8%

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 30
Current: $29,042 CAD|Low: $3,321 CAD|High: $29,069 CAD|Avg: $8,969 CAD|+0.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$3,321 CAD
Retailer 12$4,268 CAD
Retailer 3$5,020 CAD
Retailer 4$5,150 CAD
Retailer 11$5,604 CAD
Retailer 5$5,616 CAD
Retailer 9$7,326 CAD
Retailer 6$8,064 CAD
Retailer 7$8,154 CAD
Retailer 8$9,210 CAD
Retailer 10$19,165 CAD
Brilliant Earth$29,042 CAD

37 data points across 12 retailers

12 retailers$3,321 CAD to $29,042 CAD

A
Cheapest Retailer
-
$3,321 CAD
£1,872 GBP
A
Retailer 2
-
$4,268 CAD
$3,055 USD
View
A
Retailer 3
-
$5,020 CAD
$3,594 USD
View
A
Retailer 4
-
$5,150 CAD
$3,687 USD
View
A
Retailer 5
-
$5,604 CAD
$4,012 USD
View
A
Retailer 6
-
$5,616 CAD
€3,829 EUR
View
Retailer 7
-
$7,326 CAD
A$8,068 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$8,064 CAD
$5,773 USD
View
B+
Retailer 9
-
$8,154 CAD
$5,837 USD
View
B+
Retailer 10
-
$9,210 CAD
$6,593 USD
View
B
Retailer 11
-
$19,165 CAD
$13,720 USD
View
Most Expensive
B
Brilliant Earth
21034507A · Oct 29
$29,042 CAD
$20,790 USD
View
11 more retailers have this diamond
Prices start from $3,321 CADSave up to $25,721 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
10.78ct Round
$3,321 CAD