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Radiant|Natural|GIA

1.00ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 6552945890

Certificate GIA 6552945890

Diamond specifications and retailer prices

From $962 USD
As of November 6, 2026
Save $2,191 USD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,153 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552945890. Listed at 14 retailers as of November 5, 2026, with prices from $962 to $3,153, a $2,191 spread on the same certified stone. NZ Jewellers lists it at $3,153. 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

1.00
Carat
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552945890
Dimensions7.06 × 5.04 × 3.31 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Knot, Needle
Top View
7.06 mm5.04 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552945890
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.6%

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 6
Current: $3,153 USD|Low: $962 USD|High: $3,234 USD|Avg: $1,658 USD|-2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 5$962 USD
Retailer 9$1,198 USD
Retailer 8$1,293 USD
Retailer 4$1,309 USD
Retailer 12$1,342 USD
Retailer 6$1,427 USD
Retailer 2$1,461 USD
Retailer 3$1,491 USD
Retailer 7$1,671 USD
Retailer 11$1,989 USD
Retailer 10$2,360 USD
NZ Jewellers$3,153 USD

27 data points across 12 retailers

14 retailers$962 USD to $3,153 USD

A
Cheapest Retailer
-
$962 USD
A
Retailer 2
-
$1,198 USD
View
A
Retailer 3
-
$1,293 USD
View
Retailer 4
-
$1,309 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$1,342 USD
View
A
Retailer 6
-
$1,427 USD
View
A
Retailer 7
-
$1,461 USD
View
Retailer 8
-
$1,470 USD
View
Price last confirmed 39 days ago
A
Retailer 9
-
$1,491 USD
View
Retailer 10
-
$1,587 USD
View
Price last confirmed 62 days ago
B+
Retailer 11
-
$1,671 USD
View
B+
Retailer 12
-
$1,989 USD
View
B
Retailer 13
-
$2,360 USD
View
Most Expensive
B
NZ Jewellers
99df62bf-74a2-4c17-adba-a6788f87d649 · Nov 5
$3,153 USD
View
13 more retailers have this diamond
Prices start from $962 USDSave up to $2,191 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
1.00ct Radiant
$962 USD