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Radiant|Lab Grown|IGI

1.29ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754508761

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG754508761

Diamond specifications and retailer prices

From $644 CAD
HK$3,600 HKD
As of October 30, 2026
Save $1,989 CAD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,633 CAD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant 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 LG754508761 or 754508761. Listed at 14 retailers as of October 29, 2026, with prices from $644 to $2,633, a $1,989 spread on the same certified stone. Blue Nile lists it at $2,633. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508761
Dimensions5.37 × 5.37 × 3.54 mm
L/W Ratio1.00
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
5.37 mm5.37 mm1.29 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508761
Side View
Table 62.0%Crown 46.9°Girdle: MED-STKPavilion 33.1°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
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 30
Current: $2,633 CAD|Low: $550 CAD|High: $3,562 CAD|Avg: $1,565 CAD
Blue Nile
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$671 CAD
Retailer 12$766 CAD
Retailer 8$780 CAD
Retailer 5$832 CAD
Retailer 3$940 CAD
Retailer 4$1,055 CAD
Retailer 9$1,808 CAD
Retailer 11$1,884 CAD
Retailer 6$1,898 CAD
Retailer 7$2,577 CAD
Retailer 2$2,612 CAD
Blue Nile$2,633 CAD

42 data points across 12 retailers

14 retailers$644 CAD to $2,633 CAD

A
Cheapest Retailer
-
$644 CAD
HK$3,600 HKD
A
Retailer 2
-
$671 CAD
$480 USD
View
A
Retailer 3
-
$766 CAD
$548 USD
View
Retailer 4
-
$780 CAD
€532 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
$832 CAD
£469 GBP
View
A
Retailer 6
-
$940 CAD
$673 USD
View
B+
Retailer 7
-
$1,055 CAD
$755 USD
View
B
Retailer 8
-
$1,754 CAD
$1,256 USD
View
Retailer 9
-
$1,808 CAD
A$1,991 AUD
View
Price last confirmed 22 days ago
B
Retailer 10
-
$1,884 CAD
SGD 1,823 SGD
View
B+
Retailer 11
-
$1,898 CAD
£1,070 GBP
View
Retailer 12
-
$2,577 CAD
$1,845 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$2,612 CAD
$1,870 USD
View
Most Expensive
B
Blue Nile
28885049 · Oct 29
$2,633 CAD
$1,885 USD
View
13 more retailers have this diamond
Prices start from $644 CADSave up to $1,989 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 Radiant
$644 CAD