Radiant|Natural|IGI

1.00ct H SI2 Radiant Natural Diamond

VG • H/SI2 • IGI 700528979

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

Certificate IGI 700528979

Diamond specifications and retailer prices

From $1,194 USD
As of October 31, 2026
Save $1,962 USD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,156 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 700528979. Listed at 15 retailers as of October 30, 2026, with prices from $1,194 to $3,156, a $1,962 spread on the same certified stone. NZ Jewellers lists it at $3,156. 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
H
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle43.6°
Pavilion angle31.8°
OriginNatural
Grading LabIGI
CertificateIGI 700528979
Dimensions6.15 × 4.87 × 3.57 mm
L/W Ratio1.26
Culet sizeNone
Top View
6.15 mm4.87 mm1.00 ctH / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateIGI 700528979
Side View
Table 61.0%Crown 43.6°Girdle: STK-THKPavilion 31.8°Culet: NoneDepth 73.3%

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 31
Current: $3,156 USD|Low: $409 USD|High: $3,156 USD|Avg: $1,536 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 15$1,194 USD
Retailer 6$1,200 USD
Retailer 14$1,225 USD
Retailer 9$1,279 USD
Retailer 2$1,294 USD
Retailer 5$1,294 USD
Retailer 4$1,341 USD
Retailer 16$1,344 USD
Retailer 3$1,348 USD
Retailer 13$1,427 USD
Retailer 7$1,429 USD
Retailer 11$1,493 USD
Retailer 8$1,540 USD
Retailer 12$1,807 USD
Retailer 10$2,370 USD
NZ Jewellers$3,156 USD

46 data points across 16 retailers

15 retailers$1,194 USD to $3,156 USD

A
Cheapest Retailer
-
$1,194 USD
Final sale: no returns
A
Retailer 2
-
$1,200 USD
View
B+
Retailer 3
-
$1,225 USD
View
A
Retailer 4
-
$1,279 USD
£1,007 GBP
View
B+
Retailer 5
-
$1,294 USD
View
B+
Retailer 6
-
$1,294 USD
View
B+
Retailer 7
-
$1,341 USD
View
B+
Retailer 8
-
$1,344 USD
View
B+
Retailer 9
-
$1,348 USD
View
A
Retailer 10
-
$1,427 USD
£1,124 GBP
View
B+
Retailer 11
-
$1,429 USD
View
B+
Retailer 12
-
$1,493 USD
View
B+
Retailer 13
-
$1,807 USD
€1,721 EUR
View
B+
Retailer 14
-
$2,370 USD
£1,866 GBP
View
Most Expensive
B
NZ Jewellers
002258a4-b8f1-4f67-a92a-447cb97fc264 · Oct 30
$3,156 USD
View
14 more retailers have this diamond
Prices start from $1,194 USDSave up to $1,962 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
$1,194 USD