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Radiant|Natural|GIA

1.05ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 6555860333

Certificate GIA 6555860333

Diamond specifications and retailer prices

From $1,326 USD
As of November 2, 2026
Save $2,180 USD (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,506 USD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.05ct natural radiant diamond

This 1.05ct natural radiant sits in the classic one-carat band, graded J 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 6555860333. Listed at 13 retailers as of November 2, 2026, with prices from $1,326 to $3,506, a $2,180 spread on the same certified stone. NZ Jewellers lists it at $3,506. 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

1.05
Carat
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555860333
Dimensions6.70 × 5.09 × 3.50 mm
L/W Ratio1.32
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.70 mm5.09 mm1.05 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555860333
Side View
Table 67.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 68.9%

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: Nov 2
Current: $3,506 USD|Low: $1,266 USD|High: $3,651 USD|Avg: $1,782 USD|-4.0%
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 3, 2026
Retailer 5$1,326 USD
Retailer 3$1,332 USD
Retailer 10$1,437 USD
Retailer 12$1,437 USD
Retailer 8$1,440 USD
Retailer 6$1,504 USD
Retailer 2$1,590 USD
Retailer 13$1,611 USD
Retailer 4$1,622 USD
Retailer 7$1,659 USD
Retailer 9$1,863 USD
Retailer 11$2,518 USD
NZ Jewellers$3,506 USD

28 data points across 13 retailers

13 retailers$1,326 USD to $3,506 USD

A
Cheapest Retailer
-
$1,326 USD
Final sale: no returns
A
Retailer 2
-
$1,332 USD
View
A
Retailer 3
-
$1,437 USD
View
A
Retailer 4
-
$1,437 USD
View
A
Retailer 5
-
$1,440 USD
£1,134 GBP
View
A
Retailer 6
-
$1,504 USD
View
A
Retailer 7
-
$1,590 USD
£1,252 GBP
View
A
Retailer 8
-
$1,611 USD
View
A
Retailer 9
-
$1,622 USD
View
A
Retailer 10
-
$1,659 USD
View
B+
Retailer 11
-
$1,863 USD
€1,774 EUR
View
B
Retailer 12
-
$2,518 USD
£1,983 GBP
View
Most Expensive
B
NZ Jewellers
4fcc3871-eb02-4ac6-a504-cf96d1386165 · Nov 3
$3,506 USD
View
12 more retailers have this diamond
Prices start from $1,326 USDSave up to $2,180 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
1.05ct Radiant
$1,326 USD