CaratHunter
Plans
Radiant|Natural|GIA

1.02ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 6551745420

Certificate GIA 6551745420

Diamond specifications and retailer prices

From $3,479 AUD
$2,444 USD
As of October 29, 2026
Save $4,087 AUD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,565 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.02ct natural radiant diamond

This 1.02ct natural radiant sits in the classic one-carat band, graded E 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 6551745420. Listed at 9 retailers as of October 27, 2026, with prices from $3,479 to $7,565, a $4,087 spread on the same certified stone. NZ Jewellers lists it at $7,565. 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

1.02
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle51.68°
Pavilion angle36.82°
OriginNatural
Grading LabGIA
CertificateGIA 6551745420
Dimensions6.57 × 5.06 × 3.43 mm
L/W Ratio1.30
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Pinpoint
Top View
6.57 mm5.06 mm1.02 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551745420
Side View
Table 73.0%Crown 51.68°GirdlePavilion 36.82°Culet: NoneDepth 67.7%

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: Oct 29
Current: $7,565 AUD|Low: $3,470 AUD|High: $7,639 AUD|Avg: $4,575 AUD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6$3,479 AUD
Retailer 2$3,550 AUD
Retailer 8$3,618 AUD
Retailer 3$3,758 AUD
Retailer 7$3,758 AUD
Retailer 5$3,786 AUD
Retailer 9$4,075 AUD
Retailer 4$6,349 AUD
NZ Jewellers$7,565 AUD

34 data points across 9 retailers

9 retailers$3,479 AUD to $7,565 AUD

A
Cheapest Retailer
-
$3,479 AUD
$2,444 USD
A
Retailer 2
-
$3,550 AUD
£1,964 GBP
View
A
Retailer 3
-
$3,618 AUD
$2,542 USD
View
A
Retailer 4
-
$3,758 AUD
$2,640 USD
View
A
Retailer 5
-
$3,758 AUD
$2,640 USD
View
A
Retailer 6
-
$3,786 AUD
$2,660 USD
View
B+
Retailer 7
-
$4,075 AUD
View
Price last confirmed 22 days ago
B
Retailer 8
-
$6,349 AUD
£3,512 GBP
View
Most Expensive
B
NZ Jewellers
bb6f3a46-66b6-4e71-a01a-43b9183a67b1 · Oct 27
$7,565 AUD
$5,315 USD
View
8 more retailers have this diamond
Prices start from $3,479 AUDSave up to $4,087 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.

A
1.02ct Radiant
$3,479 AUD