Radiant|Natural|GIA

1.01ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 6541604009

Certificate GIA 6541604009

Diamond specifications and retailer prices

From $1,640 USD
As of November 1, 2026
Save $2,750 USD (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,390 USD at NZ Jewellers · As of November 3, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541604009. Listed at 17 retailers as of November 1, 2026, with prices from $1,640 to $4,390, a $2,750 spread on the same certified stone. NZ Jewellers lists it at $4,390. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle46.59°
OriginNatural
Grading LabGIA
CertificateGIA 6541604009
Dimensions6.61 × 5.05 × 3.49 mm
L/W Ratio1.31
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.61 mm5.05 mm1.01 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6541604009
Side View
Table 68.0%Crown 46.59°GirdlePavilionCulet: NoneDepth 69.0%

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: $4,390 USD|Low: $1,626 USD|High: $4,687 USD|Avg: $2,270 USD|-6.3%
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
November 3, 2026
Retailer 7$1,640 USD
Retailer 6$1,661 USD
Retailer 11$1,755 USD
Retailer 8$1,800 USD
Retailer 17$1,800 USD
Retailer 4$1,807 USD
Retailer 14$1,860 USD
Retailer 3$1,883 USD
Retailer 16$1,937 USD
Retailer 2$2,001 USD
Retailer 5$2,077 USD
Retailer 15$2,191 USD
Retailer 10$2,364 USD
Retailer 12$2,458 USD
Retailer 9$2,587 USD
Retailer 13$3,153 USD
NZ Jewellers$4,390 USD

30 data points across 17 retailers

17 retailers$1,640 USD to $4,390 USD

A
Cheapest Retailer
-
$1,640 USD
A
Retailer 2
-
$1,661 USD
View
Final sale: no returns
A
Retailer 3
-
$1,755 USD
£1,382 GBP
View
A
Retailer 4
-
$1,800 USD
View
A
Retailer 5
-
$1,800 USD
View
A
Retailer 6
-
$1,807 USD
View
A
Retailer 7
-
$1,860 USD
View
A
Retailer 8
-
$1,883 USD
View
A
Retailer 9
-
$1,937 USD
View
A
Retailer 10
-
$2,001 USD
£1,575 GBP
View
A
Retailer 11
-
$2,077 USD
View
Retailer 12
-
$2,191 USD
ZAR 35,402 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$2,364 USD
View
B+
Retailer 14
-
$2,458 USD
€2,341 EUR
View
Retailer 15
-
$2,587 USD
A$3,981 AUD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$3,153 USD
£2,483 GBP
View
Most Expensive
B
NZ Jewellers
1be9d3d8-6a2c-4622-ab77-8f8f363c59ef · Nov 3
$4,390 USD
View
16 more retailers have this diamond
Prices start from $1,640 USDSave up to $2,750 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
$1,640 USD