Radiant|Natural|GIA

1.50ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 5242094717

Certificate GIA 5242094717

Diamond specifications and retailer prices

From $4,454 USD
HK$34,800 HKD
As of November 1, 2026
Save $5,690 USD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,144 USD 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 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 5242094717. Listed at 8 retailers as of October 30, 2026, with prices from $4,454 to $10,144, a $5,690 spread on the same certified stone. NZ Jewellers lists it at $10,144. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle60.6°
OriginNatural
Grading LabGIA
CertificateGIA 5242094717
Dimensions7.39 × 5.67 × 3.89 mm
L/W Ratio1.30
Key to symbols
Feather, Crystal, Needle
Top View
7.39 mm5.67 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242094717
Side View
Table 63.0%CrownGirdle: STK-THKPavilion 60.6°Culet: NoneDepth 68.6%

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: Nov 1
Current: $10,144 USD|Low: $4,416 USD|High: $10,738 USD|Avg: $6,603 USD|-5.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5$4,454 USD
Retailer 7$5,141 USD
Retailer 2$5,715 USD
Retailer 3$6,065 USD
Retailer 8$6,136 USD
Retailer 6$6,376 USD
Retailer 4$8,936 USD
NZ Jewellers$10,144 USD

12 data points across 8 retailers

8 retailers$4,454 USD to $10,144 USD

A
Cheapest Retailer
-
$4,454 USD
HK$34,800 HKD
A
Retailer 2
-
$5,141 USD
SGD 6,947 SGD
View
A
Retailer 3
-
$5,715 USD
£4,500 GBP
View
B+
Retailer 4
-
$6,065 USD
View
B+
Retailer 5
-
$6,136 USD
View
B+
Retailer 6
-
$6,376 USD
View
B
Retailer 7
-
$8,936 USD
£7,036 GBP
View
Most Expensive
B
NZ Jewellers
ae436153-b22f-4c1b-8b06-8c7581951cda · Oct 30
$10,144 USD
View
7 more retailers have this diamond
Prices start from $4,454 USDSave up to $5,690 USD

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
$4,454 USD