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Radiant|Natural|GIA

1.50ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 5506759041

Certificate GIA 5506759041

Diamond specifications and retailer prices

From $10,279 SGD
$8,037 USD
As of November 2, 2026
Save $8,382 SGD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $18,660 SGD at NZ Jewellers · As of October 30, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5506759041. Listed at 13 retailers as of October 30, 2026, with prices from $10,279 to $18,660, a $8,382 spread on the same certified stone. NZ Jewellers lists it at $18,660. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5506759041
Dimensions7.90 × 5.63 × 3.83 mm
L/W Ratio1.40
Top View
7.90 mm5.63 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5506759041
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $18,660 SGD|Low: $10,152 SGD|High: $18,660 SGD|Avg: $13,352 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$10,279 SGD
Retailer 5$11,195 SGD
Retailer 9$11,197 SGD
Retailer 8$12,129 SGD
Retailer 6$12,316 SGD
Retailer 3$12,364 SGD
Retailer 10$13,995 SGD
Retailer 2$14,104 SGD
Retailer 4$17,486 SGD
NZ Jewellers$18,660 SGD

40 data points across 10 retailers

13 retailers$10,279 SGD to $18,660 SGD

B+
Cheapest Retailer
-
$10,279 SGD
$8,037 USD
B+
Retailer 2
-
$10,580 SGD
A$12,727 AUD
View
B+
Retailer 3
-
$10,585 SGD
$8,277 USD
View
B+
Retailer 4
-
$11,195 SGD
$8,754 USD
View
Final sale: no returns
B+
Retailer 5
-
$11,244 SGD
$8,792 USD
View
B+
Retailer 6
-
$12,129 SGD
$9,484 USD
View
B+
Retailer 7
-
$12,316 SGD
$9,630 USD
View
B+
Retailer 8
-
$12,364 SGD
£7,612 GBP
View
B
Retailer 9
-
$13,499 SGD
$10,555 USD
View
B
Retailer 10
-
$13,995 SGD
$10,943 USD
View
B
Retailer 11
-
$14,104 SGD
€10,503 EUR
View
B
Retailer 12
-
$17,486 SGD
£10,766 GBP
View
Most Expensive
B
NZ Jewellers
592b215f-91c5-43b6-a549-8e150094bc27 · Oct 30
$18,660 SGD
$14,591 USD
View
12 more retailers have this diamond
Prices start from $10,279 SGDSave up to $8,382 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.

B+
1.50ct Radiant
$10,279 SGD