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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 $1,547 NZD
HK$6,800 HKD
As of November 1, 2026
Save $3,504 NZD (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,051 NZD 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 $1,547 to $5,051, a $3,504 spread on the same certified stone. NZ Jewellers lists it at $5,051. 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
Colour
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: $5,051 NZD|Low: $1,524 NZD|High: $5,051 NZD|Avg: $2,415 NZD
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 2, 2026
Retailer 15$1,547 NZD
Retailer 7$1,895 NZD
Retailer 8$1,902 NZD
Retailer 4$1,911 NZD
Retailer 11$1,983 NZD
Retailer 10$2,006 NZD
Retailer 19$2,071 NZD
Retailer 20$2,071 NZD
Retailer 12$2,142 NZD
Retailer 18$2,151 NZD
Retailer 5$2,175 NZD
Retailer 6$2,302 NZD
Retailer 9$2,310 NZD
Retailer 14$2,362 NZD
Retailer 3$2,389 NZD
Retailer 13$2,611 NZD
Retailer 16$2,898 NZD
Retailer 17$3,063 NZD
Retailer 2$3,792 NZD
NZ Jewellers$5,051 NZD

27 data points across 20 retailers

18 retailers$1,547 NZD to $5,051 NZD

A
Cheapest Retailer
-
$1,547 NZD
HK$6,800 HKD
B+
Retailer 2
-
$1,902 NZD
$1,070 USD
View
B+
Retailer 3
-
$1,911 NZD
$1,075 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,983 NZD
$1,116 USD
View
B+
Retailer 5
-
$2,071 NZD
$1,165 USD
View
B+
Retailer 6
-
$2,071 NZD
$1,165 USD
View
B+
Retailer 7
-
$2,142 NZD
SGD 1,629 SGD
View
B+
Retailer 8
-
$2,151 NZD
$1,210 USD
View
B+
Retailer 9
-
$2,175 NZD
$1,224 USD
View
B+
Retailer 10
-
$2,302 NZD
$1,295 USD
View
B+
Retailer 11
-
$2,310 NZD
$1,299 USD
View
B+
Retailer 12
-
$2,362 NZD
£1,046 GBP
View
B+
Retailer 13
-
$2,389 NZD
$1,344 USD
View
B
Retailer 14
-
$2,611 NZD
£1,157 GBP
View
B
Retailer 15
-
$2,898 NZD
€1,553 EUR
View
B
Retailer 16
-
$3,063 NZD
ZAR 27,840 ZAR
View
B
Retailer 17
-
$3,792 NZD
£1,680 GBP
View
Most Expensive
B
NZ Jewellers
5b064324-78e0-4dad-ba6f-27894bd43aef · Oct 30
$5,051 NZD
$2,842 USD
View
17 more retailers have this diamond
Prices start from $1,547 NZDSave up to $3,504 NZD

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
$1,547 NZD