Radiant|Natural|IGI

1.00ct D SI2 Radiant Natural Diamond

VG • D/SI2 • IGI 700528962

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 700528962

Diamond specifications and retailer prices

From $1,584 USD
As of October 30, 2026
Save $2,656 USD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,240 USD 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 D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 700528962. Listed at 15 retailers as of October 30, 2026, with prices from $1,584 to $4,240, a $2,656 spread on the same certified stone. NZ Jewellers lists it at $4,240. 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

1.00
Carat
D
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle49.1°
Pavilion angle30.8°
OriginNatural
Grading LabIGI
CertificateIGI 700528962
Dimensions6.40 × 4.86 × 3.45 mm
L/W Ratio1.32
Culet sizePointed
Top View
6.40 mm4.86 mm1.00 ctD / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 700528962
Side View
Table 62.0%Crown 49.1°Girdle: STK-THKPavilion 30.8°Culet: NoneDepth 71.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,240 USD|Low: $1,470 USD|High: $4,240 USD|Avg: $2,049 USD
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
November 1, 2026
Retailer 5$1,584 USD
Retailer 11$1,604 USD
Retailer 12$1,630 USD
Retailer 16$1,700 USD
Retailer 3$1,738 USD
Retailer 6$1,738 USD
Retailer 13$1,740 USD
Retailer 14$1,819 USD
Retailer 15$1,820 USD
Retailer 7$1,875 USD
Retailer 10$1,917 USD
Retailer 4$2,006 USD
Retailer 8$2,069 USD
Retailer 9$2,374 USD
Retailer 2$3,045 USD
NZ Jewellers$4,240 USD

34 data points across 16 retailers

15 retailers$1,584 USD to $4,240 USD

A
Cheapest Retailer
-
$1,584 USD
A
Retailer 2
-
$1,604 USD
View
Final sale: no returns
A
Retailer 3
-
$1,630 USD
View
A
Retailer 4
-
$1,700 USD
View
A
Retailer 5
-
$1,738 USD
View
A
Retailer 6
-
$1,738 USD
View
Retailer 7
-
$1,740 USD
£1,370 GBP
View
Price last confirmed 32 days ago
A
Retailer 8
-
$1,819 USD
View
A
Retailer 9
-
$1,820 USD
View
A
Retailer 10
-
$1,875 USD
View
A
Retailer 11
-
$1,917 USD
£1,510 GBP
View
B+
Retailer 12
-
$2,006 USD
View
A
Retailer 13
-
$2,374 USD
€2,261 EUR
View
B+
Retailer 14
-
$3,045 USD
£2,398 GBP
View
Most Expensive
B
NZ Jewellers
3ddb4a13-4a67-4d33-8142-a420ec26ded6 · Oct 30
$4,240 USD
View
14 more retailers have this diamond
Prices start from $1,584 USDSave up to $2,656 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
$1,584 USD