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Radiant|Lab Grown|IGI

1.54ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $630 SGD
$493 USD
As of October 30, 2026
Save $1,425 SGD (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,056 SGD at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 1.54ct lab-grown radiant diamond

This 1.54ct 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 top-tier cut grade and certified by IGI. Listed at 5 retailers as of October 30, 2026, with prices from $630 to $2,056, a $1,425 spread on the same certified stone. NZ Jewellers lists it at $2,056. 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

1.54
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.42 × 5.68 × 3.88 mm
L/W Ratio1.31
Top View
7.42 mm5.68 mm1.54 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 68.0%CrownGirdle: MediumPavilionCulet: NoneDepth 68.3%

Caratlytics Score

How it works →
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: Oct 30
Current: $2,056 SGD|Low: $454 SGD|High: $2,056 SGD|Avg: $940 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 7$454 SGD
Retailer 5$630 SGD
Retailer 4$706 SGD
Retailer 3$781 SGD
Retailer 2$870 SGD
Retailer 6$1,451 SGD
NZ Jewellers$2,056 SGD

40 data points across 7 retailers

5 retailers$630 SGD to $2,056 SGD

A
Cheapest Retailer
-
$630 SGD
$493 USD
B+
Retailer 2
-
$706 SGD
$552 USD
View
B+
Retailer 3
-
$781 SGD
$611 USD
View
B+
Retailer 4
-
$870 SGD
£536 GBP
View
Most Expensive
B
NZ Jewellers
1940ab90-0c08-4d6c-8aa6-403f394bc31a · Nov 1
$2,056 SGD
$1,608 USD
View
4 more retailers have this diamond
Prices start from $630 SGDSave up to $1,425 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
1.54ct Radiant
$630 SGD