Radiant|Lab Grown|IGI

1.29ct D IF Radiant Lab Grown Diamond

GD • D/IF

Diamond specifications and retailer prices

From $387 AUD
As of November 3, 2026
Save $2,306 AUD (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,693 AUD at Blue Nile · As of November 5, 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 standard cut grade and certified by IGI. Listed at 8 retailers as of November 3, 2026, with prices from $387 to $2,693, a $2,306 spread on the same certified stone. Blue Nile lists it at $2,693. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.29
Carat
D
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.90 × 5.28 × 3.58 mm
L/W Ratio1.50
Top View
7.90 mm5.28 mm1.29 ctD / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 63.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $2,693 AUD|Low: $339 AUD|High: $2,693 AUD|Avg: $997 AUD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$353 AUD
Retailer 4$387 AUD
Retailer 3$414 AUD
Retailer 2$467 AUD
Retailer 7$1,090 AUD
Retailer 6$1,554 AUD
Blue Nile$2,693 AUD

32 data points across 7 retailers

8 retailers$387 AUD to $2,693 AUD

Retailer 1
-
$353 AUD
Price last confirmed 26 days ago
A
Retailer 2
-
$387 AUD
View
Retailer 3
-
$410 AUD
View
Price last confirmed 23 days ago
A
Retailer 4
-
$414 AUD
View
Retailer 5
-
$439 AUD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$467 AUD
View
Retailer 7
-
$1,554 AUD
View
Price last confirmed 33 days ago
Most Expensive
B
Blue Nile
28929986 · Nov 5
$2,693 AUD
$1,885 USD
View
7 more retailers have this diamond
Prices start from $387 AUDSave up to $2,306 AUD

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
$387 AUD