Round|Natural|GIA

1.50ct G I1 Round Natural Diamond

EX • G/I1 • GIA 2427907486

Certificate GIA 2427907486

Diamond specifications and retailer prices

From $3,904 USD
HK$30,500 HKD
As of October 31, 2026
Save $4,978 USD (56%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,882 USD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2427907486. Listed at 12 retailers as of October 30, 2026, with prices from $3,904 to $8,882, a $4,978 spread on the same certified stone. NZ Jewellers lists it at $8,882. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2427907486
Dimensions7.31 × 7.27 × 4.57 mm
L/W Ratio1.01
Top View
7.31 mm7.27 mm1.50 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2427907486
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.7%

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: Oct 31
Current: $8,882 USD|Low: $3,866 USD|High: $9,334 USD|Avg: $5,571 USD|-4.8%
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 31, 2026
Retailer 2$3,904 USD
Retailer 14$3,981 USD
Retailer 12$4,105 USD
Retailer 6$4,409 USD
Retailer 3$4,811 USD
Retailer 13$4,811 USD
Retailer 16$4,811 USD
Retailer 8$5,332 USD
Retailer 9$5,395 USD
Retailer 4$5,400 USD
Retailer 15$5,400 USD
Retailer 17$5,551 USD
Retailer 11$5,580 USD
Retailer 10$6,010 USD
Retailer 5$6,641 USD
Retailer 7$7,875 USD
NZ Jewellers$8,882 USD

22 data points across 17 retailers

12 retailers$3,904 USD to $8,882 USD

A
Cheapest Retailer
-
$3,904 USD
HK$30,500 HKD
A
Retailer 2
-
$3,981 USD
View
A
Retailer 3
-
$4,105 USD
View
B+
Retailer 4
-
$4,811 USD
View
B+
Retailer 5
-
$4,811 USD
View
B+
Retailer 6
-
$4,811 USD
View
B+
Retailer 7
-
$5,400 USD
View
B+
Retailer 8
-
$5,400 USD
View
B+
Retailer 9
-
$5,551 USD
View
B+
Retailer 10
-
$5,580 USD
View
B
Retailer 11
-
$6,010 USD
€5,724 EUR
View
Most Expensive
B
NZ Jewellers
1d3e8432-00ac-42ff-a145-943cefc022ae · Oct 30
$8,882 USD
View
11 more retailers have this diamond
Prices start from $3,904 USDSave up to $4,978 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
$3,904 USD