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Radiant|Natural|IGI

1.02ct I SI1 Radiant Natural Diamond

VG • I/SI1 • IGI 380980557

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

Certificate IGI 380980557

Diamond specifications and retailer prices

From $4,154 AUD
As of November 7, 2026
Save $2,584 AUD (38%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,737 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.02ct natural radiant diamond

This 1.02ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 380980557. Listed at 5 retailers as of November 4, 2026, with prices from $4,154 to $6,737, a $2,584 spread on the same certified stone. MOH London lists it at $6,737. 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

1.02
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabIGI
CertificateIGI 380980557
Dimensions6.84 × 5.01 × 3.53 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
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Top View
6.84 mm5.01 mm1.02 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 380980557
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 70.5%

Caratlytics Score

How it works →
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: Nov 7
Current: $6,737 AUD|Low: $3,196 AUD|High: $6,837 AUD|Avg: $4,840 AUD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 4$3,231 AUD
Retailer 2$4,154 AUD
Retailer 3$4,504 AUD
Retailer 5$5,551 AUD
MOH London$6,737 AUD

43 data points across 5 retailers

5 retailers$4,154 AUD to $6,737 AUD

Retailer 1
-
$3,231 AUD
Price last confirmed 10 days ago
B
Retailer 2
-
$4,154 AUD
View
B
Retailer 3
-
$4,504 AUD
View
C
Retailer 4
-
$5,551 AUD
View
Most Expensive
C
MOH London
89A985407 · Nov 4
$6,737 AUD
£3,645 GBP
View
4 more retailers have this diamond
Prices start from $4,154 AUDSave up to $2,584 AUD

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
1.02ct Radiant
$4,154 AUD