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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 $1,216 CAD
HK$6,800 HKD
As of October 31, 2026
Save $2,754 CAD (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,970 CAD 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 $1,216 to $3,970, a $2,754 spread on the same certified stone. NZ Jewellers lists it at $3,970. 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: Oct 31
Current: $3,970 CAD|Low: $1,198 CAD|High: $3,970 CAD|Avg: $1,895 CAD
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
October 31, 2026
Retailer 2$1,216 CAD
Retailer 7$1,489 CAD
Retailer 8$1,495 CAD
Retailer 4$1,502 CAD
Retailer 11$1,559 CAD
Retailer 10$1,577 CAD
Retailer 19$1,627 CAD
Retailer 20$1,627 CAD
Retailer 12$1,684 CAD
Retailer 18$1,690 CAD
Retailer 5$1,710 CAD
Retailer 6$1,809 CAD
Retailer 9$1,815 CAD
Retailer 13$1,856 CAD
Retailer 3$1,877 CAD
Retailer 16$2,058 CAD
Retailer 14$2,278 CAD
Retailer 15$2,407 CAD
Retailer 17$2,986 CAD
NZ Jewellers$3,970 CAD

25 data points across 20 retailers

18 retailers$1,216 CAD to $3,970 CAD

A
Cheapest Retailer
-
$1,216 CAD
HK$6,800 HKD
B+
Retailer 2
-
$1,495 CAD
$1,070 USD
View
B+
Retailer 3
-
$1,502 CAD
$1,075 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,559 CAD
$1,116 USD
View
B+
Retailer 5
-
$1,627 CAD
$1,165 USD
View
B+
Retailer 6
-
$1,627 CAD
$1,165 USD
View
B+
Retailer 7
-
$1,684 CAD
SGD 1,629 SGD
View
B+
Retailer 8
-
$1,690 CAD
$1,210 USD
View
B+
Retailer 9
-
$1,710 CAD
$1,224 USD
View
B+
Retailer 10
-
$1,809 CAD
$1,295 USD
View
B+
Retailer 11
-
$1,815 CAD
$1,299 USD
View
B+
Retailer 12
-
$1,856 CAD
£1,046 GBP
View
B+
Retailer 13
-
$1,877 CAD
$1,344 USD
View
B
Retailer 14
-
$2,058 CAD
£1,160 GBP
View
B
Retailer 15
-
$2,278 CAD
€1,553 EUR
View
B
Retailer 16
-
$2,407 CAD
ZAR 27,840 ZAR
View
B
Retailer 17
-
$2,986 CAD
£1,683 GBP
View
Most Expensive
B
NZ Jewellers
5b064324-78e0-4dad-ba6f-27894bd43aef · Oct 30
$3,970 CAD
$2,842 USD
View
17 more retailers have this diamond
Prices start from $1,216 CADSave up to $2,754 CAD

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
$1,216 CAD