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Radiant|Natural|GIA

0.81ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 2427523370

Certificate GIA 2427523370

Diamond specifications and retailer prices

From €779 EUR
HK$6,800 HKD
As of November 1, 2026
Save €1,765 EUR (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,544 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.81ct natural radiant diamond

This 0.81ct natural radiant sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2427523370. Listed at 18 retailers as of October 30, 2026, with prices from €779 to €2,544, a €1,765 spread on the same certified stone. NZ Jewellers lists it at €2,544. 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

0.81
Carat
J
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2427523370
Dimensions6.27 × 4.70 × 3.07 mm
L/W Ratio1.33
Top View
6.27 mm4.70 mm0.81 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2427523370
Side View
Table 65.0%CrownGirdlePavilionCulet: NoneDepth 65.4%

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: Nov 1
Current: €2,544 EUR|Low: €768 EUR|High: €2,544 EUR|Avg: €1,215 EUR
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 14€779 EUR
Retailer 7€954 EUR
Retailer 8€958 EUR
Retailer 4€962 EUR
Retailer 11€999 EUR
Retailer 10€1,010 EUR
Retailer 19€1,043 EUR
Retailer 20€1,043 EUR
Retailer 12€1,079 EUR
Retailer 18€1,083 EUR
Retailer 5€1,096 EUR
Retailer 6€1,159 EUR
Retailer 9€1,163 EUR
Retailer 13€1,189 EUR
Retailer 3€1,203 EUR
Retailer 2€1,315 EUR
Retailer 15€1,460 EUR
Retailer 16€1,543 EUR
Retailer 17€1,913 EUR
NZ Jewellers€2,544 EUR

26 data points across 20 retailers

18 retailers€779 EUR to €2,544 EUR

A
Cheapest Retailer
-
€779 EUR
HK$6,800 HKD
B+
Retailer 2
-
€958 EUR
$1,070 USD
View
B+
Retailer 3
-
€962 EUR
$1,075 USD
View
Final sale: no returns
B+
Retailer 4
-
€999 EUR
$1,116 USD
View
B+
Retailer 5
-
€1,043 EUR
$1,165 USD
View
B+
Retailer 6
-
€1,043 EUR
$1,165 USD
View
B+
Retailer 7
-
€1,079 EUR
SGD 1,629 SGD
View
B+
Retailer 8
-
€1,083 EUR
$1,210 USD
View
B+
Retailer 9
-
€1,096 EUR
$1,224 USD
View
B+
Retailer 10
-
€1,159 EUR
$1,295 USD
View
B+
Retailer 11
-
€1,163 EUR
$1,299 USD
View
B+
Retailer 12
-
€1,189 EUR
£1,046 GBP
View
B+
Retailer 13
-
€1,203 EUR
$1,344 USD
View
B
Retailer 14
-
€1,315 EUR
£1,157 GBP
View
B
Retailer 15
-
€1,460 EUR
View
B
Retailer 16
-
€1,543 EUR
ZAR 27,840 ZAR
View
B
Retailer 17
-
€1,913 EUR
£1,683 GBP
View
Most Expensive
B
NZ Jewellers
5b064324-78e0-4dad-ba6f-27894bd43aef · Oct 30
€2,544 EUR
$2,842 USD
View
17 more retailers have this diamond
Prices start from €779 EURSave up to €1,765 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
0.81ct Radiant
€779 EUR