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Round|Lab Grown|IGI

1.28ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG811646742

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811646742

Diamond specifications and retailer prices

From $250 CAD
$179 USD
As of October 29, 2026
Save $1,205 CAD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,455 CAD at MOH London · As of October 29, 2026
View at MOH London

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811646742 or 811646742. Listed at 19 retailers as of October 29, 2026, with prices from $250 to $1,455, a $1,205 spread on the same certified stone. MOH London lists it at $1,455. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811646742
Dimensions7.12 × 7.06 × 4.21 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
7.12 mm7.06 mm1.28 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811646742
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.4%

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 29
Current: $1,455 CAD|Low: $240 CAD|High: $1,465 CAD|Avg: $706 CAD|+0.4%
MOH London
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 10$250 CAD
Retailer 12$310 CAD
Retailer 6$532 CAD
Retailer 3$549 CAD
Retailer 2$556 CAD
Retailer 5$575 CAD
Retailer 4$659 CAD
Retailer 8$740 CAD
Retailer 7$755 CAD
Retailer 9$781 CAD
Retailer 11$1,229 CAD
MOH London$1,455 CAD

43 data points across 12 retailers

19 retailers$250 CAD to $1,455 CAD

A
Cheapest Retailer
-
$250 CAD
$179 USD
A
Retailer 2
-
$289 CAD
$207 USD
View
A
Retailer 3
-
$310 CAD
$222 USD
View
A
Retailer 4
-
$310 CAD
$222 USD
View
A
Retailer 5
-
$532 CAD
ZAR 6,148 ZAR
View
A
Retailer 6
-
$549 CAD
$393 USD
View
A
Retailer 7
-
$556 CAD
£313 GBP
View
A
Retailer 8
-
$575 CAD
€392 EUR
View
A
Retailer 9
-
$602 CAD
$431 USD
View
B+
Retailer 10
-
$659 CAD
$472 USD
View
Retailer 11
-
$740 CAD
$530 USD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
$755 CAD
A$832 AUD
View
B+
Retailer 13
-
$781 CAD
$559 USD
View
Retailer 14
-
$951 CAD
$681 USD
View
Price last confirmed 46 days ago
B
Retailer 15
-
$996 CAD
$713 USD
View
B
Retailer 16
-
$1,071 CAD
$767 USD
View
B
Retailer 17
-
$1,115 CAD
$798 USD
View
B
Retailer 18
-
$1,229 CAD
$880 USD
View
Most Expensive
B
MOH London
LG811646742 · Oct 29
$1,455 CAD
£820 GBP
View
18 more retailers have this diamond
Prices start from $250 CADSave up to $1,205 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
$250 CAD