Radiant|Natural|GIA

1.01ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 1558553561

Certificate GIA 1558553561

Diamond specifications and retailer prices

From $1,335 USD
As of November 7, 2026
Save $2,042 USD (60%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,377 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558553561. Listed at 11 retailers as of November 5, 2026, with prices from $1,335 to $3,377, a $2,042 spread on the same certified stone. NZ Jewellers lists it at $3,377. 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

1.01
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1558553561
Dimensions7.01 × 5.06 × 3.19 mm
L/W Ratio1.39
Culet sizeNone
Top View
7.01 mm5.06 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1558553561
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.1%

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 7
Current: $3,377 USD|Low: $1,335 USD|High: $3,377 USD|Avg: $1,791 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 3$1,335 USD
Retailer 4$1,343 USD
Retailer 8$1,385 USD
Retailer 10$1,385 USD
Retailer 11$1,448 USD
Retailer 2$1,528 USD
Retailer 9$1,598 USD
Retailer 6$1,689 USD
Retailer 5$1,920 USD
Retailer 7$2,528 USD
NZ Jewellers$3,377 USD

31 data points across 11 retailers

11 retailers$1,335 USD to $3,377 USD

A
Cheapest Retailer
-
$1,335 USD
A
Retailer 2
-
$1,343 USD
View
A
Retailer 3
-
$1,385 USD
View
Retailer 4
-
$1,385 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$1,448 USD
View
A
Retailer 6
-
$1,528 USD
View
B+
Retailer 7
-
$1,598 USD
View
B+
Retailer 8
-
$1,689 USD
View
B+
Retailer 9
-
$1,920 USD
View
B
Retailer 10
-
$2,528 USD
View
Most Expensive
B
NZ Jewellers
50dce42f-6da0-45b4-b750-9d7622e92e62 · Nov 5
$3,377 USD
View
10 more retailers have this diamond
Prices start from $1,335 USDSave up to $2,042 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
1.01ct Radiant
$1,335 USD