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Radiant|Lab Grown|IGI

1.03ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG849621274

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

Certificate IGI LG849621274

Diamond specifications and retailer prices

From $271 NZD
As of November 6, 2026
Save $902 NZD (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,173 NZD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

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), with a top-tier cut grade and certified by IGI LG849621274 or 849621274. Listed at 3 retailers as of November 6, 2026, with prices from $271 to $1,173, a $902 spread on the same certified stone. Brilliant Earth lists it at $1,173. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849621274
Dimensions7.19 × 4.96 × 3.37 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.19 mm4.96 mm1.03 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849621274
Side View
Table 67.0%Crown 44.4°Girdle: Slightly ThickPavilion 37.8°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,173 NZD|Low: $271 NZD|High: $1,173 NZD|Avg: $808 NZD
Brilliant Earth
Retailer 2
Retailer 3
November 6, 2026
Retailer 2$271 NZD
Retailer 3$514 NZD
Brilliant Earth$1,173 NZD

7 data points across 3 retailers

3 retailers$271 NZD to $1,173 NZD

A
Cheapest Retailer
-
$271 NZD
Final sale: no returns
A
Retailer 2
-
$514 NZD
View
Most Expensive
B
Brilliant Earth
22379251A · Nov 6
$1,173 NZD
$650 USD
View
2 more retailers have this diamond
Prices start from $271 NZDSave up to $902 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
1.03ct Radiant
$271 NZD