Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1555653014

Certificate GIA 1555653014

Diamond specifications and retailer prices

From $5,998 USD
A$9,227 AUD
As of October 30, 2026
Save $6,790 USD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,788 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555653014. Listed at 17 retailers as of October 30, 2026, with prices from $5,998 to $12,788, a $6,790 spread on the same certified stone. NZ Jewellers lists it at $12,788. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555653014
Dimensions8.19 × 5.55 × 3.74 mm
L/W Ratio1.48
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint
Top View
8.19 mm5.55 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555653014
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.4%

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: Oct 30
Current: $12,788 USD|Low: $5,771 USD|High: $13,176 USD|Avg: $7,881 USD|-2.9%
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
October 31, 2026
Retailer 15$6,100 USD
Retailer 14$6,394 USD
Retailer 8$6,413 USD
Retailer 12$6,749 USD
Retailer 3$6,927 USD
Retailer 13$7,033 USD
Retailer 2$7,218 USD
Retailer 6$7,380 USD
Retailer 10$7,430 USD
Retailer 5$7,750 USD
Retailer 16$7,750 USD
Retailer 4$7,993 USD
Retailer 7$8,010 USD
Retailer 9$8,356 USD
Retailer 11$10,712 USD
NZ Jewellers$12,788 USD

35 data points across 16 retailers

17 retailers$5,998 USD to $12,788 USD

B+
Cheapest Retailer
-
$5,998 USD
A$9,227 AUD
B+
Retailer 2
-
$6,100 USD
View
B+
Retailer 3
-
$6,394 USD
View
Final sale: no returns
B+
Retailer 4
-
$6,413 USD
CA$8,907 CAD
View
B+
Retailer 5
-
$6,749 USD
View
B+
Retailer 6
-
$6,927 USD
View
B+
Retailer 7
-
$7,033 USD
View
B+
Retailer 8
-
$7,218 USD
£5,684 GBP
View
B
Retailer 9
-
$7,380 USD
View
B
Retailer 10
-
$7,430 USD
£5,850 GBP
View
B+
Retailer 11
-
$7,750 USD
View
B+
Retailer 12
-
$7,750 USD
View
B
Retailer 13
-
$7,993 USD
View
B
Retailer 14
-
$8,010 USD
View
B
Retailer 15
-
$8,356 USD
€7,958 EUR
View
B
Retailer 16
-
$10,712 USD
£8,435 GBP
View
Most Expensive
B
NZ Jewellers
b8cf5b7a-5845-4601-b83a-14c50291588b · Oct 30
$12,788 USD
View
16 more retailers have this diamond
Prices start from $5,998 USDSave up to $6,790 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.

B+
1.50ct Radiant
$5,998 USD