Round|Natural|GIA

1.28ct I IF Round Natural Diamond

EX • I/IF • GIA 5566053988

Certificate GIA 5566053988

Diamond specifications and retailer prices

From $3,980 USD
As of November 4, 2026
Save $5,008 USD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,988 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.28ct natural round diamond

This 1.28ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5566053988. Listed at 24 retailers as of November 4, 2026, with prices from $3,980 to $8,988, a $5,008 spread on the same certified stone. NZ Jewellers lists it at $8,988. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
I
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5566053988
Dimensions6.88 × 6.94 × 4.30 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.88 mm6.94 mm1.28 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566053988
Side View
Table 55.0%Crown 34.5°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.2%

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: $8,988 USD|Low: $3,942 USD|High: $8,988 USD|Avg: $5,193 USD
NZ Jewellers
Retailer 2
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Retailer 22
November 5, 2026
Retailer 5$3,980 USD
Retailer 17$4,209 USD
Retailer 8$4,732 USD
Retailer 2$4,784 USD
Retailer 6$4,863 USD
Retailer 15$4,922 USD
Retailer 3$4,960 USD
Retailer 18$5,044 USD
Retailer 7$5,051 USD
Retailer 14$5,183 USD
Retailer 4$5,374 USD
Retailer 21$5,374 USD
Retailer 11$5,571 USD
Retailer 10$5,679 USD
Retailer 16$5,867 USD
Retailer 20$6,042 USD
Retailer 13$6,200 USD
Retailer 19$6,263 USD
Retailer 9$6,548 USD
Retailer 12$7,725 USD
Retailer 22$8,535 USD
NZ Jewellers$8,988 USD

45 data points across 22 retailers

24 retailers$3,980 USD to $8,988 USD

A
Cheapest Retailer
-
$3,980 USD
A
Retailer 2
-
$4,209 USD
View
A
Retailer 3
-
$4,665 USD
View
A
Retailer 4
-
$4,732 USD
View
A
Retailer 5
-
$4,784 USD
View
A
Retailer 6
-
$4,863 USD
View
Retailer 7
-
$4,922 USD
View
Price last confirmed 23 days ago
A
Retailer 8
-
$4,960 USD
View
Final sale: no returns
A
Retailer 9
-
$5,044 USD
View
A
Retailer 10
-
$5,051 USD
View
Price last confirmed 7 days ago
Retailer 11
-
$5,183 USD
View
Price last confirmed 9 days ago
A
Retailer 12
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$5,341 USD
View
A
Retailer 13
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$5,374 USD
View
A
Retailer 14
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$5,374 USD
View
A
Retailer 15
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$5,571 USD
View
Retailer 16
-
$5,679 USD
View
Price last confirmed 8 days ago
A
Retailer 17
-
$5,867 USD
View
A
Retailer 18
-
$6,042 USD
View
B+
Retailer 19
-
$6,200 USD
View
B+
Retailer 20
-
$6,263 USD
View
Retailer 21
-
$6,548 USD
View
Price last confirmed 15 days ago
B+
Retailer 22
-
$7,725 USD
View
B+
Retailer 23
-
$8,535 USD
View
Most Expensive
B
NZ Jewellers
21ab1a27-7ad4-45fa-b7bf-31222146f5e3 · Nov 5
$8,988 USD
View
23 more retailers have this diamond
Prices start from $3,980 USDSave up to $5,008 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
1.28ct Round
$3,980 USD