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Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1555481540

Certificate GIA 1555481540

Diamond specifications and retailer prices

From $4,220 USD
As of November 1, 2026
Save $5,095 USD (55%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $9,315 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 1555481540. Listed at 31 retailers as of October 30, 2026, with prices from $4,220 to $9,315, a $5,095 spread on the same certified stone. NZ Jewellers lists it at $9,315. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555481540
Dimensions7.64 × 5.79 × 3.83 mm
L/W Ratio1.32
Culet sizeNone
Top View
7.64 mm5.79 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555481540
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.2%

Caratlytics Score

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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: $9,315 USD|Low: $3,247 USD|High: $9,315 USD|Avg: $5,253 USD
NZ Jewellers
Retailer 2
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Retailer 32
November 2, 2026
Retailer 23$3,542 USD
Retailer 22$4,080 USD
Retailer 3$4,220 USD
Retailer 30$4,292 USD
Retailer 4$4,351 USD
Retailer 29$4,399 USD
Retailer 15$4,400 USD
Retailer 6$4,454 USD
Retailer 17$4,657 USD
Retailer 16$4,929 USD
Retailer 26$4,958 USD
Retailer 18$4,967 USD
Retailer 14$4,998 USD
Retailer 5$5,045 USD
Retailer 8$5,045 USD
Retailer 28$5,045 USD
Retailer 20$5,062 USD
Retailer 10$5,132 USD
Retailer 7$5,305 USD
Retailer 19$5,331 USD
Retailer 13$5,396 USD
Retailer 2$5,434 USD
Retailer 21$5,540 USD
Retailer 11$5,650 USD
Retailer 31$5,650 USD
Retailer 25$5,815 USD
Retailer 12$5,822 USD
Retailer 32$5,840 USD
Retailer 27$5,927 USD
Retailer 9$8,065 USD
Retailer 24$8,870 USD
NZ Jewellers$9,315 USD

25 data points across 32 retailers

31 retailers$4,220 USD to $9,315 USD

Retailer 1
-
$4,080 USD
Price last confirmed 33 days ago
A
Retailer 2
-
$4,220 USD
View
A
Retailer 3
-
$4,292 USD
View
A
Retailer 4
-
$4,351 USD
View
A
Retailer 5
-
$4,399 USD
View
A
Retailer 6
-
$4,400 USD
View
A
Retailer 7
-
$4,454 USD
View
Retailer 8
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$4,550 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
$4,657 USD
View
Final sale: no returns
A
Retailer 10
-
$4,929 USD
CA$6,846 CAD
View
A
Retailer 11
-
$4,967 USD
View
A
Retailer 12
-
$4,998 USD
View
A
Retailer 13
-
$5,045 USD
View
A
Retailer 14
-
$5,045 USD
View
A
Retailer 15
-
$5,045 USD
View
Retailer 16
-
$5,062 USD
View
Price last confirmed 18 days ago
A
Retailer 17
-
$5,132 USD
View
B+
Retailer 18
-
$5,305 USD
View
B+
Retailer 19
-
$5,331 USD
View
A
Retailer 20
-
$5,396 USD
£4,248 GBP
View
A
Retailer 21
-
$5,434 USD
£4,278 GBP
View
B+
Retailer 22
-
$5,540 USD
View
B+
Retailer 23
-
$5,650 USD
View
B+
Retailer 24
-
$5,650 USD
View
Retailer 25
-
$5,815 USD
View
Price last confirmed 34 days ago
B+
Retailer 26
-
$5,822 USD
View
B+
Retailer 27
-
$5,840 USD
View
B+
Retailer 28
-
$5,927 USD
€5,645 EUR
View
B
Retailer 29
-
$8,065 USD
View
B
Retailer 30
-
$8,870 USD
£6,984 GBP
View
Most Expensive
B
NZ Jewellers
09fa61c0-22d8-4af2-8ac4-731a35f8957b · Oct 30
$9,315 USD
View
30 more retailers have this diamond
Prices start from $4,220 USDSave up to $5,095 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
$4,220 USD