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Radiant|Natural|GIA

1.50ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 6555386165

Certificate GIA 6555386165

Diamond specifications and retailer prices

From $7,374 SGD
$5,766 USD
As of November 2, 2026
Save $6,496 SGD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $13,870 SGD at NZ Jewellers · As of November 3, 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 6555386165. Listed at 9 retailers as of November 2, 2026, with prices from $7,374 to $13,870, a $6,496 spread on the same certified stone. NZ Jewellers lists it at $13,870. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle52.82°
Pavilion angle37.2°
OriginNatural
Grading LabGIA
CertificateGIA 6555386165
Dimensions7.41 × 5.78 × 4.00 mm
L/W Ratio1.28
Girdle conditionVery Thick
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.41 mm5.78 mm1.50 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555386165
Side View
Table 73.0%Crown 52.82°Girdle: THK-VTKPavilion 37.2°CuletDepth 69.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $13,870 SGD|Low: $6,561 SGD|High: $14,730 SGD|Avg: $8,723 SGD|-5.8%
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
November 3, 2026
Retailer 13$6,561 SGD
Retailer 3$7,214 SGD
Retailer 10$7,374 SGD
Retailer 9$7,705 SGD
Retailer 6$7,758 SGD
Retailer 11$7,916 SGD
Retailer 5$7,997 SGD
Retailer 12$8,118 SGD
Retailer 2$8,292 SGD
Retailer 7$8,292 SGD
Retailer 4$8,736 SGD
Retailer 8$12,217 SGD
NZ Jewellers$13,870 SGD

21 data points across 13 retailers

9 retailers$7,374 SGD to $13,870 SGD

Retailer 1
-
$6,561 SGD
$5,130 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$7,374 SGD
$5,766 USD
View
A
Retailer 3
-
$7,705 SGD
$6,025 USD
View
A
Retailer 4
-
$7,758 SGD
£4,777 GBP
View
A
Retailer 5
-
$7,916 SGD
$6,190 USD
View
B+
Retailer 6
-
$8,292 SGD
$6,484 USD
View
B+
Retailer 7
-
$8,292 SGD
$6,484 USD
View
B
Retailer 8
-
$12,217 SGD
£7,522 GBP
View
Most Expensive
B
NZ Jewellers
98c30b6f-645e-4480-80ab-902fe16e71df · Nov 3
$13,870 SGD
$10,845 USD
View
8 more retailers have this diamond
Prices start from $7,374 SGDSave up to $6,496 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
$7,374 SGD