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Radiant|Natural|GIA

1.50ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6552667733

Certificate GIA 6552667733

Diamond specifications and retailer prices

From $6,194 SGD
As of November 7, 2026
Save $5,446 SGD (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $11,639 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 H 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 6552667733. Listed at 10 retailers as of November 3, 2026, with prices from $6,194 to $11,639, a $5,446 spread on the same certified stone. NZ Jewellers lists it at $11,639. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle54.8°
Pavilion angle36.44°
OriginNatural
Grading LabGIA
CertificateGIA 6552667733
Dimensions7.40 × 5.66 × 3.95 mm
L/W Ratio1.31
Girdle conditionVery Thick
Key to symbols
Crystal, Needle, Natural
Top View
7.40 mm5.66 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552667733
Side View
Table 73.0%Crown 54.8°GirdlePavilion 36.44°Culet: NoneDepth 69.8%

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 7
Current: $11,639 SGD|Low: $6,194 SGD|High: $11,927 SGD|Avg: $7,870 SGD|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 3$6,194 SGD
Retailer 9$6,248 SGD
Retailer 6$6,557 SGD
Retailer 5$6,722 SGD
Retailer 4$6,728 SGD
Retailer 2$6,876 SGD
Retailer 8$6,959 SGD
Retailer 10$7,015 SGD
Retailer 7$11,083 SGD
NZ Jewellers$11,639 SGD

43 data points across 10 retailers

10 retailers$6,194 SGD to $11,639 SGD

A
Cheapest Retailer
-
$6,194 SGD
A
Retailer 2
-
$6,248 SGD
View
A
Retailer 3
-
$6,557 SGD
View
A
Retailer 4
-
$6,722 SGD
View
A
Retailer 5
-
$6,728 SGD
View
A
Retailer 6
-
$6,876 SGD
View
B+
Retailer 7
-
$6,959 SGD
View
Retailer 8
-
$7,015 SGD
View
Price last confirmed 29 days ago
B
Retailer 9
-
$11,083 SGD
View
Most Expensive
B
NZ Jewellers
a58e4b94-a83f-44b1-b18e-47b3b3ff79dd · Nov 3
$11,639 SGD
$9,082 USD
View
9 more retailers have this diamond
Prices start from $6,194 SGDSave up to $5,446 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
$6,194 SGD