Radiant|Natural|GIA

1.00ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 2547864040

Certificate GIA 2547864040

Diamond specifications and retailer prices

From $1,267 USD
As of November 6, 2026
Save $830 USD (40%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,097 USD at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded H 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 2547864040. Listed at 8 retailers as of November 6, 2026, with prices from $1,267 to $2,097, a $830 spread on the same certified stone. 77 Diamonds lists it at $2,097. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547864040
Dimensions6.48 × 5.11 × 3.58 mm
L/W Ratio1.27
Top View
6.48 mm5.11 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547864040
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 70.0%

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 6
Current: $2,097 USD|Low: $1,267 USD|High: $2,303 USD|Avg: $1,577 USD|-7.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 2$1,267 USD
Retailer 8$1,287 USD
Retailer 5$1,400 USD
Retailer 6$1,488 USD
Retailer 3$1,525 USD
Retailer 7$1,542 USD
Retailer 4$1,655 USD
77 Diamonds$2,097 USD

45 data points across 8 retailers

8 retailers$1,267 USD to $2,097 USD

A
Cheapest Retailer
-
$1,267 USD
Retailer 2
-
$1,400 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$1,488 USD
View
A
Retailer 4
-
$1,525 USD
View
A
Retailer 5
-
$1,542 USD
View
A
Retailer 6
-
$1,655 USD
View
B+
Retailer 7
-
$1,883 USD
View
Most Expensive
B+
77 Diamonds
RADMB8MYKTCTV · Nov 7
$2,097 USD
£1,652 GBP
View
7 more retailers have this diamond
Prices start from $1,267 USDSave up to $830 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
$1,267 USD