Radiant|Natural|GIA

1.01ct I SI1 Radiant Natural Diamond

GD • I/SI1 • GIA 6421519551

Certificate GIA 6421519551

Diamond specifications and retailer prices

From $3,485 USD
As of October 28, 2026
Save $3,562 USD (51%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,709 USD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6421519551. Listed at 22 retailers as of October 28, 2026, with a 102% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
I
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6421519551
Dimensions6.67 × 5.29 × 3.50 mm
L/W Ratio1.26
Top View
6.67 mm5.29 mm1.01 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6421519551
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $7,709 USD|Low: $3,084 USD|High: $7,709 USD|Avg: $4,890 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$3,485 USD
Retailer 8$3,700 USD
Retailer 3$4,009 USD
Retailer 10$4,009 USD
Retailer 11$4,009 USD
Retailer 4$4,527 USD
Retailer 2$4,718 USD
Retailer 9$4,720 USD
Retailer 6$5,439 USD
Retailer 5$7,047 USD
NZ Jewellers$7,709 USD

45 data points across 11 retailers

22 retailers$3,485 USD to $7,047 USD

B
Cheapest Retailer
-
$3,485 USD
B
Retailer 2
-
$3,486 USD
View
B
Retailer 3
-
$3,528 USD
View
B
Retailer 4
-
$3,700 USD
View
Final sale: no returns
B
Retailer 5
-
$3,765 USD
View
B
Retailer 6
-
$3,811 USD
CA$5,293 CAD
View
B
Retailer 7
-
$3,825 USD
View
B
Retailer 8
-
$4,009 USD
View
B
Retailer 9
-
$4,009 USD
View
B
Retailer 10
-
$4,009 USD
View
B
Retailer 11
-
$4,363 USD
View
C
Retailer 12
-
$4,520 USD
View
C
Retailer 13
-
$4,520 USD
View
B
Retailer 14
-
$4,527 USD
£3,564 GBP
View
C
Retailer 15
-
$4,625 USD
View
C
Retailer 16
-
$4,670 USD
View
B
Retailer 17
-
$4,718 USD
€4,493 EUR
View
Retailer 18
-
$4,720 USD
A$7,261 AUD
View
Price last confirmed 23 days ago
Retailer 19
-
$5,005 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
$5,439 USD
ZAR 87,869 ZAR
View
B
Retailer 21
-
$7,047 USD
£5,549 GBP
View
Most Expensive
NZ Jewellers
cd392a4b-df26-4a8c-bab3-074fc4e96e28 · Oct 30
$7,709 USD
View
Price under review
21 more retailers have this diamond
Prices start from $3,485 USDSave up to $3,562 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.

B
1.01ct Radiant
$3,485 USD