Radiant|Natural|GIA

1.02ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 6551745420

Certificate GIA 6551745420

Diamond specifications and retailer prices

From $2,444 USD
As of October 29, 2026
Save $2,871 USD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,315 USD 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 $2,444 to $5,315, a $2,871 spread on the same certified stone. NZ Jewellers lists it at $5,315. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,315 USD|Low: $2,438 USD|High: $5,367 USD|Avg: $3,214 USD|-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$2,444 USD
Retailer 2$2,494 USD
Retailer 8$2,542 USD
Retailer 3$2,640 USD
Retailer 7$2,640 USD
Retailer 5$2,660 USD
Retailer 9$2,863 USD
Retailer 4$4,460 USD
NZ Jewellers$5,315 USD

34 data points across 9 retailers

9 retailers$2,444 USD to $5,315 USD

A
Cheapest Retailer
-
$2,444 USD
A
Retailer 2
-
$2,494 USD
£1,964 GBP
View
A
Retailer 3
-
$2,542 USD
View
A
Retailer 4
-
$2,640 USD
View
A
Retailer 5
-
$2,640 USD
View
A
Retailer 6
-
$2,660 USD
View
B+
Retailer 7
-
$2,863 USD
A$4,404 AUD
View
Price last confirmed 21 days ago
B
Retailer 8
-
$4,460 USD
£3,512 GBP
View
Most Expensive
B
NZ Jewellers
bb6f3a46-66b6-4e71-a01a-43b9183a67b1 · Oct 27
$5,315 USD
View
8 more retailers have this diamond
Prices start from $2,444 USDSave up to $2,871 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
1.02ct Radiant
$2,444 USD