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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 $1,968 SGD
₹146,573 INR
As of November 2, 2026
Save $3,605 SGD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,573 SGD 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 $1,968 to $5,573, a $3,605 spread on the same certified stone. NZ Jewellers lists it at $5,573. 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
Colour
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 2
Current: $5,573 SGD|Low: $1,968 SGD|High: $5,767 SGD|Avg: $3,104 SGD|-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 12$1,968 SGD
Retailer 16$2,068 SGD
Retailer 13$2,366 SGD
Retailer 7$2,449 SGD
Retailer 14$2,555 SGD
Retailer 4$2,619 SGD
Retailer 8$2,646 SGD
Retailer 9$2,665 SGD
Retailer 2$2,741 SGD
Retailer 18$2,782 SGD
Retailer 17$2,873 SGD
Retailer 10$2,909 SGD
Retailer 11$3,022 SGD
Retailer 3$3,091 SGD
Retailer 6$3,277 SGD
Retailer 15$3,345 SGD
Retailer 5$4,670 SGD
NZ Jewellers$5,573 SGD

18 data points across 18 retailers

20 retailers$1,968 SGD to $5,573 SGD

A
Cheapest Retailer
-
$1,968 SGD
₹146,573 INR
A
Retailer 2
-
$2,068 SGD
$1,617 USD
View
Final sale: no returns
A
Retailer 3
-
$2,366 SGD
$1,850 USD
View
A
Retailer 4
-
$2,449 SGD
$1,915 USD
View
A
Retailer 5
-
$2,555 SGD
£1,573 GBP
View
A
Retailer 6
-
$2,619 SGD
$2,048 USD
View
B+
Retailer 7
-
$2,646 SGD
$2,069 USD
View
B+
Retailer 8
-
$2,665 SGD
$2,084 USD
View
B+
Retailer 9
-
$2,741 SGD
$2,143 USD
View
B+
Retailer 10
-
$2,782 SGD
$2,175 USD
View
B+
Retailer 11
-
$2,784 SGD
$2,177 USD
View
B+
Retailer 12
-
$2,873 SGD
£1,769 GBP
View
B+
Retailer 13
-
$2,909 SGD
$2,275 USD
View
B+
Retailer 14
-
$3,022 SGD
$2,363 USD
View
B+
Retailer 15
-
$3,091 SGD
$2,417 USD
View
B+
Retailer 16
-
$3,277 SGD
ZAR 41,390 ZAR
View
B+
Retailer 17
-
$3,345 SGD
€2,491 EUR
View
Retailer 18
-
$3,393 SGD
A$4,082 AUD
View
Price last confirmed 26 days ago
B
Retailer 19
-
$4,670 SGD
£2,875 GBP
View
Most Expensive
B
NZ Jewellers
32f8e95e-c1fe-4f39-94d1-242cce4ae019 · Oct 30
$5,573 SGD
$4,358 USD
View
19 more retailers have this diamond
Prices start from $1,968 SGDSave up to $3,605 SGD

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
$1,968 SGD