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Round|Lab Grown|IGI

1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG788624811

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788624811

Diamond specifications and retailer prices

From $347 CAD
$248 USD
As of October 28, 2026
Save $2,781 CAD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,128 CAD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG788624811 or 788624811. Listed at 22 retailers as of October 27, 2026, with prices from $347 to $3,128, a $2,781 spread on the same certified stone. Queensmith lists it at $3,128. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788624811
Dimensions6.96 × 6.98 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.96 mm6.98 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788624811
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°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 28
Current: $713 CAD|Low: $246 CAD|High: $1,766 CAD|Avg: $929 CAD|+6.4%
Retailer 1
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
October 29, 2026
Retailer 4$347 CAD
Retailer 2$430 CAD
Retailer 16$518 CAD
Retailer 11$660 CAD
Retailer 10$698 CAD
Retailer 1$713 CAD
Retailer 3$726 CAD
Retailer 5$736 CAD
Retailer 12$939 CAD
Retailer 13$999 CAD
Retailer 14$1,155 CAD
Retailer 6$1,296 CAD
Retailer 7$1,308 CAD
Retailer 15$1,470 CAD
Retailer 9$1,546 CAD
Retailer 8$1,766 CAD

41 data points across 16 retailers

22 retailers$347 CAD to $3,128 CAD

A
Retailer 1
-
$297 CAD
$212 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$347 CAD
$248 USD
View
Final sale: no returns
A
Retailer 3
-
$360 CAD
$257 USD
View
Price last confirmed 23 days ago
A
Retailer 4
-
$383 CAD
$274 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$430 CAD
HK$2,400 HKD
View
B+
Retailer 6
-
$518 CAD
$370 USD
View
A
Retailer 7
-
$660 CAD
ZAR 7,614 ZAR
View
A
Retailer 8
-
$698 CAD
€475 EUR
View
A
Retailer 9
-
$713 CAD
£401 GBP
View
B+
Retailer 10
-
$726 CAD
$519 USD
View
B+
Retailer 11
-
$736 CAD
$526 USD
View
B+
Retailer 12
-
$939 CAD
A$1,032 AUD
View
B+
Retailer 13
-
$999 CAD
$714 USD
View
B
Retailer 14
-
$1,155 CAD
$825 USD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$1,234 CAD
$882 USD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$1,245 CAD
SGD 1,202 SGD
View
B
Retailer 17
-
$1,308 CAD
$935 USD
View
B
Retailer 18
-
$1,323 CAD
$945 USD
View
B
Retailer 19
-
$1,470 CAD
$1,050 USD
View
Price last confirmed 13 days ago
B+
Retailer 20
-
$1,546 CAD
£870 GBP
View
B
Retailer 21
-
$1,766 CAD
$1,261 USD
View
Most Expensive
B
Queensmith
LG788624811 · Oct 27
$3,128 CAD
£1,760 GBP
View
21 more retailers have this diamond
Prices start from $347 CADSave up to $2,781 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
1.28ct Round
$347 CAD