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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 $795 NZD
As of November 4, 2026
Save $2,549 NZD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,344 NZD at Blue Nile · As of November 3, 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 November 3, 2026, with prices from $795 to $3,344, a $2,549 spread on the same certified stone. Blue Nile lists it at $3,344. 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
Colour
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: Nov 4
Current: $3,344 NZD|Low: $699 NZD|High: $4,524 NZD|Avg: $2,017 NZD
Blue Nile
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
November 5, 2026
Retailer 8$795 NZD
Retailer 9$802 NZD
Retailer 11$944 NZD
Retailer 5$972 NZD
Retailer 2$1,075 NZD
Retailer 6$1,194 NZD
Retailer 12$1,258 NZD
Retailer 13$2,125 NZD
Retailer 7$2,271 NZD
Retailer 10$2,280 NZD
Retailer 4$2,296 NZD
Retailer 3$3,273 NZD
Retailer 14$3,317 NZD
Blue Nile$3,344 NZD

43 data points across 14 retailers

14 retailers$795 NZD to $3,344 NZD

A
Cheapest Retailer
-
$795 NZD
A
Retailer 2
-
$802 NZD
View
A
Retailer 3
-
$944 NZD
View
A
Retailer 4
-
$972 NZD
View
A
Retailer 5
-
$1,075 NZD
View
A
Retailer 6
-
$1,194 NZD
View
A
Retailer 7
-
$1,258 NZD
View
B+
Retailer 8
-
$2,125 NZD
View
B+
Retailer 9
-
$2,271 NZD
View
B
Retailer 10
-
$2,280 NZD
View
Retailer 11
-
$2,296 NZD
View
Price last confirmed 28 days ago
Retailer 12
-
$3,273 NZD
View
Price last confirmed 18 days ago
B
Retailer 13
-
$3,317 NZD
View
Most Expensive
B
Blue Nile
28885049 · Nov 3
$3,344 NZD
$1,885 USD
View
13 more retailers have this diamond
Prices start from $795 NZDSave up to $2,549 NZD

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
$795 NZD