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Radiant|Natural|GIA

0.80ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 2426519604

Certificate GIA 2426519604

Diamond specifications and retailer prices

From $1,145 SGD
HK$7,000 HKD
As of November 1, 2026
Save $2,625 SGD (70%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,770 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural radiant diamond

This 0.8ct 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 2426519604. Listed at 19 retailers as of October 30, 2026, with prices from $1,145 to $3,770, a $2,625 spread on the same certified stone. NZ Jewellers lists it at $3,770. 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

0.80
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2426519604
Dimensions6.41 × 4.43 × 3.01 mm
L/W Ratio1.45
Top View
6.41 mm4.43 mm0.80 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2426519604
Side View
Table 66.0%CrownGirdlePavilionCulet: NoneDepth 68.0%

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: $3,770 SGD|Low: $1,145 SGD|High: $3,770 SGD|Avg: $1,847 SGD
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
November 2, 2026
Retailer 6$1,145 SGD
Retailer 7$1,345 SGD
Retailer 8$1,419 SGD
Retailer 3$1,427 SGD
Retailer 15$1,546 SGD
Retailer 16$1,546 SGD
Retailer 14$1,606 SGD
Retailer 4$1,612 SGD
Retailer 5$1,707 SGD
Retailer 9$1,718 SGD
Retailer 2$1,764 SGD
Retailer 17$1,783 SGD
Retailer 10$1,949 SGD
Retailer 12$2,162 SGD
Retailer 13$2,286 SGD
Retailer 11$2,832 SGD
NZ Jewellers$3,770 SGD

27 data points across 17 retailers

19 retailers$1,145 SGD to $3,770 SGD

A
Cheapest Retailer
-
$1,145 SGD
HK$7,000 HKD
B+
Retailer 2
-
$1,419 SGD
$1,110 USD
View
B+
Retailer 3
-
$1,427 SGD
$1,116 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,482 SGD
$1,159 USD
View
B+
Retailer 5
-
$1,546 SGD
$1,209 USD
View
B+
Retailer 6
-
$1,546 SGD
$1,209 USD
View
B+
Retailer 7
-
$1,598 SGD
View
B+
Retailer 8
-
$1,606 SGD
$1,256 USD
View
B+
Retailer 9
-
$1,612 SGD
$1,261 USD
View
B+
Retailer 10
-
$1,707 SGD
$1,335 USD
View
B
Retailer 11
-
$1,718 SGD
$1,344 USD
View
B
Retailer 12
-
$1,764 SGD
£1,086 GBP
View
B
Retailer 13
-
$1,783 SGD
$1,395 USD
View
B+
Retailer 14
-
$1,949 SGD
£1,200 GBP
View
B
Retailer 15
-
$1,957 SGD
$1,531 USD
View
B
Retailer 16
-
$2,162 SGD
€1,611 EUR
View
B
Retailer 17
-
$2,286 SGD
ZAR 28,892 ZAR
View
B
Retailer 18
-
$2,832 SGD
£1,744 GBP
View
Most Expensive
B
NZ Jewellers
adebee80-091a-4016-97bf-ebdc241404ca · Oct 30
$3,770 SGD
$2,949 USD
View
18 more retailers have this diamond
Prices start from $1,145 SGDSave up to $2,625 SGD

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
0.80ct Radiant
$1,145 SGD