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Radiant|Natural|GIA

1.00ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 2566009790

Certificate GIA 2566009790

Diamond specifications and retailer prices

From $3,192 USD
Save $2,369 USD (43%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,561 USD at NZ Jewellers
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded D 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 2566009790. Listed at 11 retailers, with prices from $3,192 to $5,561 at NZ Jewellers, a $2,369 spread on the same certified stone. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566009790
Dimensions6.62 × 5.00 × 3.43 mm
L/W Ratio1.32
Culet sizeNone
Key to symbols
Etch Channel, Feather, Crystal, Indented Natural, Natural
Top View
6.62 mm5.00 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566009790
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $5,561 USD|Low: $3,192 USD|High: $5,743 USD|Avg: $3,779 USD|-3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 1, 2026
Retailer 9$3,192 USD
Retailer 10$3,192 USD
Retailer 8$3,298 USD
Retailer 6$3,315 USD
Retailer 5$3,408 USD
Retailer 2$3,462 USD
Retailer 3$3,562 USD
Retailer 11$3,683 USD
Retailer 7$3,849 USD
Retailer 4$5,403 USD
NZ Jewellers$5,561 USD

34 data points across 11 retailers

11 retailers$3,192 USD to $5,561 USD

B+
Cheapest Retailer
-
$3,192 USD
B+
Retailer 2
-
$3,192 USD
View
B+
Retailer 3
-
$3,305 USD
£2,602 GBP
View
B
Retailer 4
-
$3,315 USD
View
B
Retailer 5
-
$3,408 USD
A$5,244 AUD
View
B
Retailer 6
-
$3,462 USD
€3,297 EUR
View
B+
Retailer 7
-
$3,562 USD
View
B+
Retailer 8
-
$3,683 USD
View
B
Retailer 9
-
$3,849 USD
ZAR 62,180 ZAR
View
B
Retailer 10
-
$5,403 USD
£4,254 GBP
View
Most Expensive
B
NZ Jewellers
639a3f79-e8b8-41c7-a38b-38bc85ddd890 · Sep 30
$5,561 USD
View
10 more retailers have this diamond
Prices start from $3,192 USDSave up to $2,369 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.

B+
1.00ct Radiant
$3,192 USD