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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 $179 SGD
As of November 4, 2026
Save $1,538 SGD (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $1,717 SGD 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 $179 to $1,717, a $1,538 spread on the same certified stone. Do Amore Diamonds lists it at $1,717. 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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Price History

Last verified: Nov 4
Current: $425 SGD|Low: $179 SGD|High: $1,307 SGD|Avg: $556 SGD|+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$179 SGD
Retailer 11$201 SGD
Retailer 10$349 SGD
Retailer 1$425 SGD
Retailer 7$432 SGD
Retailer 6$467 SGD
Retailer 3$499 SGD
Retailer 2$538 SGD
Retailer 8$756 SGD
Retailer 5$820 SGD
Retailer 4$1,146 SGD

44 data points across 11 retailers

27 retailers$179 SGD to $1,717 SGD

A
Cheapest Retailer
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$179 SGD
Retailer 2
-
$179 SGD
View
Price last confirmed 30 days ago
Retailer 3
-
$179 SGD
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Price last confirmed 38 days ago
A
Retailer 4
-
$179 SGD
View
A
Retailer 5
-
$201 SGD
View
Final sale: no returns
Retailer 6
-
$209 SGD
View
Price last confirmed 41 days ago
Retailer 7
-
$219 SGD
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Price last confirmed 39 days ago
Retailer 8
-
$223 SGD
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Price last confirmed 35 days ago
A
Retailer 9
-
$328 SGD
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B+
Retailer 10
-
$349 SGD
View
A
Retailer 11
-
$377 SGD
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A
Retailer 12
-
$425 SGD
View
A
Retailer 13
-
$432 SGD
View
A
Retailer 14
-
$467 SGD
View
B+
Retailer 15
-
$499 SGD
View
B+
Retailer 16
-
$538 SGD
View
B
Retailer 17
-
$756 SGD
View
B
Retailer 18
-
$757 SGD
View
B
Retailer 19
-
$789 SGD
View
Retailer 20
-
$789 SGD
View
Price last confirmed 28 days ago
Retailer 21
-
$789 SGD
View
Price last confirmed 38 days ago
B
Retailer 22
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$789 SGD
View
B
Retailer 23
-
$820 SGD
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B
Retailer 24
-
$924 SGD
View
B
Retailer 25
-
$1,012 SGD
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B
Retailer 26
-
$1,146 SGD
View
Most Expensive
B
Do Amore Diamonds
27-085836A3E · Nov 6
$1,717 SGD
$1,340 USD
View
26 more retailers have this diamond
Prices start from $179 SGDSave up to $1,538 SGD

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
$179 SGD