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Radiant|Natural|GIA

1.02ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 6551745420

Certificate GIA 6551745420

Diamond specifications and retailer prices

From €2,188 EUR
$2,444 USD
As of October 30, 2026
Save €2,570 EUR (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €4,757 EUR at NZ Jewellers · As of October 30, 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 30, 2026, with prices from €2,188 to €4,757, a €2,570 spread on the same certified stone. NZ Jewellers lists it at €4,757. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €4,757 EUR|Low: €2,182 EUR|High: €4,804 EUR|Avg: €2,871 EUR|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6€2,188 EUR
Retailer 3€2,226 EUR
Retailer 2€2,256 EUR
Retailer 8€2,275 EUR
Retailer 7€2,363 EUR
Retailer 5€2,381 EUR
Retailer 9€2,562 EUR
Retailer 4€3,992 EUR
NZ Jewellers€4,757 EUR

36 data points across 9 retailers

9 retailers€2,188 EUR to €4,757 EUR

A
Cheapest Retailer
-
€2,188 EUR
$2,444 USD
A
Retailer 2
-
€2,226 EUR
£1,959 GBP
View
A
Retailer 3
-
€2,256 EUR
$2,520 USD
View
A
Retailer 4
-
€2,275 EUR
$2,542 USD
View
A
Retailer 5
-
€2,363 EUR
$2,640 USD
View
A
Retailer 6
-
€2,381 EUR
$2,660 USD
View
Retailer 7
-
€2,562 EUR
A$4,404 AUD
View
Price last confirmed 24 days ago
B
Retailer 8
-
€3,992 EUR
£3,512 GBP
View
Most Expensive
B
NZ Jewellers
bb6f3a46-66b6-4e71-a01a-43b9183a67b1 · Oct 30
€4,757 EUR
$5,315 USD
View
8 more retailers have this diamond
Prices start from €2,188 EURSave up to €2,570 EUR

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
€2,188 EUR