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Radiant|Natural|GIA

1.00ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6561316197

Certificate GIA 6561316197

Diamond specifications and retailer prices

From $1,540 USD
₹146,621 INR
As of November 1, 2026
Save $2,818 USD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,358 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561316197. Listed at 20 retailers as of October 30, 2026, with prices from $1,540 to $4,358, a $2,818 spread on the same certified stone. NZ Jewellers lists it at $4,358. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6561316197
Dimensions6.96 × 4.98 × 3.24 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
6.96 mm4.98 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6561316197
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.1%

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 1
Current: $4,358 USD|Low: $1,540 USD|High: $4,509 USD|Avg: $2,433 USD|-3.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 13$1,540 USD
Retailer 2$1,617 USD
Retailer 7$1,883 USD
Retailer 3$1,915 USD
Retailer 16$1,998 USD
Retailer 15$2,048 USD
Retailer 6$2,069 USD
Retailer 8$2,084 USD
Retailer 12$2,175 USD
Retailer 9$2,181 USD
Retailer 11$2,247 USD
Retailer 10$2,275 USD
Retailer 4$2,405 USD
Retailer 14$2,417 USD
Retailer 18$2,562 USD
Retailer 5$2,654 USD
Retailer 17$3,651 USD
NZ Jewellers$4,358 USD

19 data points across 18 retailers

20 retailers$1,540 USD to $4,358 USD

A
Cheapest Retailer
-
$1,540 USD
₹146,621 INR
A
Retailer 2
-
$1,617 USD
View
Final sale: no returns
A
Retailer 3
-
$1,883 USD
View
A
Retailer 4
-
$1,915 USD
View
A
Retailer 5
-
$1,998 USD
£1,573 GBP
View
A
Retailer 6
-
$2,048 USD
View
B+
Retailer 7
-
$2,069 USD
View
B+
Retailer 8
-
$2,084 USD
View
B+
Retailer 9
-
$2,175 USD
View
B+
Retailer 10
-
$2,177 USD
View
B+
Retailer 11
-
$2,181 USD
View
B+
Retailer 12
-
$2,247 USD
£1,769 GBP
View
B+
Retailer 13
-
$2,275 USD
View
B+
Retailer 14
-
$2,405 USD
View
B+
Retailer 15
-
$2,417 USD
View
B+
Retailer 16
-
$2,562 USD
ZAR 41,390 ZAR
View
Retailer 17
-
$2,653 USD
A$4,082 AUD
View
Price last confirmed 26 days ago
B+
Retailer 18
-
$2,654 USD
€2,528 EUR
View
B
Retailer 19
-
$3,651 USD
£2,875 GBP
View
Most Expensive
B
NZ Jewellers
32f8e95e-c1fe-4f39-94d1-242cce4ae019 · Oct 30
$4,358 USD
View
19 more retailers have this diamond
Prices start from $1,540 USDSave up to $2,818 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
$1,540 USD