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Radiant|Lab Grown|IGI

1.03ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG492135837

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

Certificate IGI LG492135837

Diamond specifications and retailer prices

From $204 AUD
As of November 4, 2026
Save $1,746 AUD (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $1,950 AUD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

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 very-good cut grade and certified by IGI LG492135837 or 492135837. Listed at 27 retailers as of November 6, 2026, with prices from $204 to $1,950, a $1,746 spread on the same certified stone. Do Amore Diamonds lists it at $1,950. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492135837
Dimensions7.35 × 4.96 × 3.33 mm
L/W Ratio1.48
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
7.35 mm4.96 mm1.03 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492135837
Side View
Table 59.5%Crown 35.3°Girdle: ThickPavilion 33.2°Culet: NoneDepth 67.1%

Caratlytics Score

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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: $483 AUD|Low: $204 AUD|High: $1,485 AUD|Avg: $632 AUD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$204 AUD
Retailer 11$228 AUD
Retailer 10$396 AUD
Retailer 1$483 AUD
Retailer 7$490 AUD
Retailer 6$530 AUD
Retailer 3$566 AUD
Retailer 2$611 AUD
Retailer 8$859 AUD
Retailer 5$931 AUD
Retailer 4$1,301 AUD

44 data points across 11 retailers

27 retailers$204 AUD to $1,950 AUD

A
Cheapest Retailer
-
$204 AUD
Retailer 2
-
$204 AUD
View
Price last confirmed 30 days ago
Retailer 3
-
$204 AUD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$204 AUD
View
A
Retailer 5
-
$228 AUD
View
Final sale: no returns
Retailer 6
-
$237 AUD
View
Price last confirmed 41 days ago
Retailer 7
-
$249 AUD
View
Price last confirmed 39 days ago
Retailer 8
-
$253 AUD
View
Price last confirmed 35 days ago
A
Retailer 9
-
$373 AUD
View
B+
Retailer 10
-
$396 AUD
View
A
Retailer 11
-
$428 AUD
View
A
Retailer 12
-
$483 AUD
View
A
Retailer 13
-
$490 AUD
View
A
Retailer 14
-
$530 AUD
View
B+
Retailer 15
-
$566 AUD
View
B+
Retailer 16
-
$611 AUD
View
B
Retailer 17
-
$859 AUD
View
B
Retailer 18
-
$860 AUD
View
B
Retailer 19
-
$897 AUD
View
Retailer 20
-
$897 AUD
View
Price last confirmed 28 days ago
Retailer 21
-
$897 AUD
View
Price last confirmed 38 days ago
B
Retailer 22
-
$897 AUD
View
B
Retailer 23
-
$931 AUD
View
B
Retailer 24
-
$1,049 AUD
View
B
Retailer 25
-
$1,150 AUD
View
B
Retailer 26
-
$1,301 AUD
View
Most Expensive
B
Do Amore Diamonds
27-085836A3E · Nov 6
$1,950 AUD
$1,340 USD
View
26 more retailers have this diamond
Prices start from $204 AUDSave up to $1,746 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
1.03ct Radiant
$204 AUD