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Round|Lab Grown|IGI

1.29ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG841678729

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841678729

Diamond specifications and retailer prices

From $370 CAD
$265 USD
As of October 29, 2026
Save $1,865 CAD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,235 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG841678729 or 841678729. Listed at 16 retailers as of October 29, 2026, with prices from $370 to $2,235, a $1,865 spread on the same certified stone. Brilliant Earth lists it at $2,235. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841678729
Dimensions6.97 × 7.02 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
6.97 mm7.02 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841678729
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.1%

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: $2,235 CAD|Low: $370 CAD|High: $2,556 CAD|Avg: $1,159 CAD|-12.6%
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
October 31, 2026
Retailer 3$370 CAD
Retailer 15$429 CAD
Retailer 16$687 CAD
Retailer 9$729 CAD
Retailer 4$763 CAD
Retailer 2$768 CAD
Retailer 11$799 CAD
Retailer 13$1,116 CAD
Retailer 6$1,147 CAD
Retailer 5$1,408 CAD
Retailer 7$1,474 CAD
Retailer 10$1,658 CAD
Retailer 8$1,729 CAD
Retailer 12$1,847 CAD
Retailer 14$1,879 CAD
Brilliant Earth$2,235 CAD

11 data points across 16 retailers

16 retailers$370 CAD to $2,235 CAD

A
Cheapest Retailer
-
$370 CAD
$265 USD
A
Retailer 2
-
$429 CAD
$307 USD
View
A
Retailer 3
-
$687 CAD
$492 USD
View
A
Retailer 4
-
$729 CAD
£411 GBP
View
A
Retailer 5
-
$763 CAD
$546 USD
View
A
Retailer 6
-
$768 CAD
$550 USD
View
A
Retailer 7
-
$799 CAD
€545 EUR
View
A
Retailer 8
-
$1,116 CAD
A$1,229 AUD
View
B+
Retailer 9
-
$1,147 CAD
$821 USD
View
B+
Retailer 10
-
$1,408 CAD
$1,008 USD
View
B+
Retailer 11
-
$1,474 CAD
$1,055 USD
View
B+
Retailer 12
-
$1,658 CAD
A$1,826 AUD
View
B+
Retailer 13
-
$1,729 CAD
$1,238 USD
View
B
Retailer 14
-
$1,847 CAD
£1,041 GBP
View
B
Retailer 15
-
$1,879 CAD
$1,345 USD
View
Most Expensive
B+
Brilliant Earth
22208645A · Oct 30
$2,235 CAD
$1,600 USD
View
15 more retailers have this diamond
Prices start from $370 CADSave up to $1,865 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
1.29ct Round
$370 CAD