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Radiant|Lab Grown|IGI

1.51ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG12417712

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

Certificate IGI LG12417712

Diamond specifications and retailer prices

From $252 SGD
As of November 6, 2026
Save $2,067 SGD (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,320 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG12417712 or 12417712. Listed at 9 retailers as of November 2, 2026, with prices from $252 to $2,320, a $2,067 spread on the same certified stone. Do Amore Diamonds lists it at $2,320. 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

1.51
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12417712
Dimensions7.26 × 5.78 × 4.05 mm
L/W Ratio1.26
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
7.26 mm5.78 mm1.51 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12417712
Side View
Table 63.5%Crown 42.6°Girdle: STK-THKPavilion 31.8°Culet: NoneDepth 70.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $2,320 SGD|Low: $232 SGD|High: $2,320 SGD|Avg: $1,077 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$252 SGD
Retailer 7$292 SGD
Retailer 6$543 SGD
Retailer 5$1,009 SGD
Retailer 2$1,078 SGD
Retailer 4$1,110 SGD
Retailer 8$1,333 SGD
Retailer 9$1,564 SGD
Do Amore Diamonds$2,320 SGD

18 data points across 9 retailers

9 retailers$252 SGD to $2,320 SGD

A
Cheapest Retailer
-
$252 SGD
A
Retailer 2
-
$292 SGD
View
B+
Retailer 3
-
$543 SGD
View
B
Retailer 4
-
$1,009 SGD
View
B
Retailer 5
-
$1,078 SGD
View
B
Retailer 6
-
$1,110 SGD
View
Retailer 7
-
$1,333 SGD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$1,564 SGD
View
Most Expensive
B
Do Amore Diamonds
27-F96B3FBEF · Nov 2
$2,320 SGD
$1,810 USD
View
8 more retailers have this diamond
Prices start from $252 SGDSave up to $2,067 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
1.51ct Radiant
$252 SGD