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Radiant|Natural|GIA

1.50ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 2567450930

Certificate GIA 2567450930

Diamond specifications and retailer prices

From $5,267 SGD
$4,120 USD
As of November 1, 2026
Save $6,210 SGD (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $12,195 SGD at NZ Jewellers · As of October 14, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567450930. Listed at 20 retailers as of October 29, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.50
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567450930
Dimensions7.43 × 5.68 × 3.95 mm
L/W Ratio1.31
Girdle conditionPolished
Top View
7.43 mm5.68 mm1.50 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567450930
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.4%

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 1
Current: $12,195 SGD|Low: $5,089 SGD|High: $12,195 SGD|Avg: $7,252 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 16$5,267 SGD
Retailer 20$5,269 SGD
Retailer 8$5,607 SGD
Retailer 7$5,792 SGD
Retailer 5$5,871 SGD
Retailer 18$5,916 SGD
Retailer 2$6,061 SGD
Retailer 11$6,104 SGD
Retailer 10$6,179 SGD
Retailer 9$6,271 SGD
Retailer 15$6,354 SGD
Retailer 12$6,521 SGD
Retailer 13$6,685 SGD
Retailer 17$6,802 SGD
Retailer 3$6,873 SGD
Retailer 14$7,357 SGD
Retailer 21$7,987 SGD
Retailer 19$8,811 SGD
Retailer 6$10,867 SGD
Retailer 4$11,477 SGD
NZ Jewellers$12,195 SGD

18 data points across 21 retailers

20 retailers$5,267 SGD to $11,477 SGD

A
Cheapest Retailer
-
$5,267 SGD
$4,120 USD
A
Retailer 2
-
$5,269 SGD
HK$32,200 HKD
View
A
Retailer 3
-
$5,607 SGD
$4,386 USD
View
A
Retailer 4
-
$5,792 SGD
$4,531 USD
View
A
Retailer 5
-
$5,871 SGD
$4,593 USD
View
A
Retailer 6
-
$5,916 SGD
€4,407 EUR
View
A
Retailer 7
-
$6,061 SGD
$4,741 USD
View
Final sale: no returns
A
Retailer 8
-
$6,104 SGD
$4,775 USD
View
A
Retailer 9
-
$6,179 SGD
A$7,437 AUD
View
A
Retailer 10
-
$6,271 SGD
$4,905 USD
View
A
Retailer 11
-
$6,354 SGD
$4,970 USD
View
Retailer 12
-
$6,521 SGD
View
Price last confirmed 17 days ago
A
Retailer 13
-
$6,685 SGD
£4,118 GBP
View
A
Retailer 14
-
$6,802 SGD
£4,189 GBP
View
A
Retailer 15
-
$6,873 SGD
$5,376 USD
View
B+
Retailer 16
-
$7,987 SGD
€5,950 EUR
View
B+
Retailer 17
-
$8,811 SGD
ZAR 111,341 ZAR
View
B
Retailer 18
-
$10,867 SGD
$8,501 USD
View
B
Retailer 19
-
$11,477 SGD
£7,069 GBP
View
Most Expensive
NZ Jewellers
76fc132b-6cf7-488f-ba27-598bdc682ed1 · Oct 14
$12,195 SGD
$9,539 USD
View
Price last confirmed 18 days ago
19 more retailers have this diamond
Prices start from $5,267 SGDSave up to $6,210 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
1.50ct Radiant
$5,267 SGD