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Radiant|Lab Grown|GIA

1.03ct D SI1 Radiant Lab Grown Diamond

D/SI1

Diamond specifications and retailer prices

From $1,470 AUD
As of November 5, 2026
Save $474 AUD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,944 AUD at Washington Diamond · As of November 6, 2026
View at Washington Diamond

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by GIA. Listed at 2 retailers as of November 5, 2026, with prices from $1,470 to $1,944, a $474 spread on the same certified stone. Washington Diamond lists it at $1,944. 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

1.03
Carat
D
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions7.27 × 5.14 × 3.24 mm
L/W Ratio1.41
Top View
7.27 mm5.14 mm1.03 ctD / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCuletDepth 62.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $1,470 AUD|Low: $1,438 AUD|High: $1,944 AUD|Avg: $1,701 AUD|-17.0%
Retailer 1
Washington Diamond
November 6, 2026
Retailer 1$1,470 AUD
Washington Diamond$1,944 AUD

14 data points across 2 retailers

2 retailers$1,470 AUD to $1,944 AUD

B
Cheapest Retailer
-
$1,470 AUD
Most Expensive
C
Washington Diamond
1897048314 · Nov 6
$1,944 AUD
$1,336 USD
View
1 more retailer has this diamond
Prices start from $1,470 AUDSave up to $474 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.

B
1.03ct Radiant
$1,470 AUD