Round|Natural|GIA

1.50ct I IF Round Natural Diamond

EX • I/IF • GIA 2554231890

Certificate GIA 2554231890

Diamond specifications and retailer prices

From $6,451 USD
As of November 4, 2026
Save $5,805 USD (47%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $14,491 USD at NZ Jewellers · As of October 17, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2554231890. Listed at 17 retailers as of November 4, 2026, with a 90% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
I
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2554231890
Dimensions7.27 × 7.33 × 4.51 mm
L/W Ratio1.01
Top View
7.27 mm7.33 mm1.50 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2554231890
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.8%

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 4
Current: $14,491 USD|Low: $6,451 USD|High: $14,491 USD|Avg: $8,911 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
November 4, 2026
Retailer 7$6,451 USD
Retailer 8$6,555 USD
Retailer 12$6,769 USD
Retailer 3$6,930 USD
Retailer 10$7,443 USD
Retailer 13$7,655 USD
Retailer 4$8,288 USD
Retailer 6$8,607 USD
Retailer 5$8,664 USD
Retailer 9$8,939 USD
Retailer 11$10,199 USD
Retailer 2$12,043 USD
NZ Jewellers$14,491 USD

30 data points across 13 retailers

17 retailers$6,451 USD to $12,256 USD

A
Cheapest Retailer
-
$6,451 USD
A
Retailer 2
-
$6,555 USD
View
Retailer 3
-
$6,769 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$6,930 USD
View
Final sale: no returns
A
Retailer 5
-
$7,356 USD
View
Retailer 6
-
$7,362 USD
View
Price last confirmed 25 days ago
Retailer 7
-
$7,443 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$7,653 USD
View
A
Retailer 9
-
$7,655 USD
View
Retailer 10
-
$8,288 USD
View
Price last confirmed 32 days ago
A
Retailer 11
-
$8,607 USD
View
Retailer 12
-
$8,664 USD
View
Price last confirmed 16 days ago
Retailer 13
-
$8,798 USD
View
Price last confirmed 21 days ago
A
Retailer 14
-
$8,939 USD
View
B+
Retailer 15
-
$12,043 USD
View
B+
Retailer 16
-
$12,256 USD
View
Most Expensive
NZ Jewellers
07632360-c1db-4a1c-9ccd-0d2555eb78f5 · Oct 17
$14,491 USD
View
Price last confirmed 18 days ago
16 more retailers have this diamond
Prices start from $6,451 USDSave up to $5,805 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
$6,451 USD