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Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1549592517

Certificate GIA 1549592517

Diamond specifications and retailer prices

From $3,290 USD
HK$25,700 HKD
As of October 29, 2026
Save $2,448 USD (43%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $5,738 USD at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1549592517. Listed at 31 retailers as of October 23, 2026, with prices from $3,290 to $5,738, a $2,448 spread on the same certified stone. NZ Jewellers lists it at $5,738. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549592517
Dimensions7.24 × 7.30 × 4.56 mm
L/W Ratio1.01
Top View
7.24 mm7.30 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549592517
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

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: Oct 29
Current: $5,738 USD|Low: $3,208 USD|High: $5,738 USD|Avg: $4,062 USD
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
Retailer 17
October 28, 2026
Retailer 9$3,290 USD
Retailer 13$3,293 USD
Retailer 14$3,293 USD
Retailer 15$3,420 USD
Retailer 6$3,485 USD
Retailer 12$3,504 USD
Retailer 3$3,651 USD
Retailer 17$3,723 USD
Retailer 10$3,800 USD
Retailer 8$3,905 USD
Retailer 7$4,223 USD
Retailer 4$4,480 USD
Retailer 16$4,480 USD
Retailer 5$4,630 USD
Retailer 2$4,669 USD
Retailer 11$4,969 USD
NZ Jewellers$5,738 USD

35 data points across 17 retailers

31 retailers$3,290 USD to $5,738 USD

A
Retailer 1
-
$3,212 USD
Price last confirmed 52 days ago
A
Retailer 2
-
$3,212 USD
View
Price last confirmed 42 days ago
A
Retailer 3
-
$3,290 USD
HK$25,700 HKD
View
A
Retailer 4
-
$3,293 USD
View
A
Retailer 5
-
$3,293 USD
View
A
Retailer 6
-
$3,293 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$3,293 USD
View
A
Retailer 8
-
$3,293 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$3,293 USD
View
Price last confirmed 17 days ago
A
Retailer 10
-
$3,420 USD
View
A
Retailer 11
-
$3,485 USD
View
Final sale: no returns
A
Retailer 12
-
$3,504 USD
View
A
Retailer 13
-
$3,634 USD
A$5,591 AUD
View
A
Retailer 14
-
$3,651 USD
View
Price last confirmed 17 days ago
A
Retailer 15
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$3,706 USD
View
Price last confirmed 53 days ago
A
Retailer 16
-
$3,723 USD
SGD 5,031 SGD
View
A
Retailer 17
-
$3,800 USD
View
A
Retailer 18
-
$3,800 USD
View
Price last confirmed 20 days ago
A
Retailer 19
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$3,800 USD
View
A
Retailer 20
-
$3,800 USD
View
Price last confirmed 17 days ago
A
Retailer 21
-
$3,905 USD
View
A
Retailer 22
-
$4,223 USD
View
A
Retailer 23
-
$4,480 USD
View
A
Retailer 24
-
$4,480 USD
View
A
Retailer 25
-
$4,630 USD
View
A
Retailer 26
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$4,669 USD
€4,447 EUR
View
A
Retailer 27
-
$4,969 USD
£3,913 GBP
View
B+
Retailer 28
-
$5,738 USD
View
B+
Retailer 29
-
$5,738 USD
View
Price last confirmed 18 days ago
B+
Retailer 30
-
$5,738 USD
View
Price last confirmed 20 days ago
Most Expensive
B+
NZ Jewellers
6e588811-ff17-43da-bf6f-f2a22d2ac546 · Oct 23
$5,738 USD
View
30 more retailers have this diamond
Prices start from $3,290 USDSave up to $2,448 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 Round
$3,290 USD