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Radiant|Natural|GIA

0.90ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 1427523703

Certificate GIA 1427523703

Diamond specifications and retailer prices

From $1,986 AUD
HK$10,900 HKD
As of November 1, 2026
Save $4,552 AUD (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,539 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.9ct natural radiant diamond

This 0.9ct natural radiant sits in the just-under-one-carat band, graded G 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 1427523703. Listed at 18 retailers as of October 30, 2026, with prices from $1,986 to $6,539, a $4,552 spread on the same certified stone. NZ Jewellers lists it at $6,539. 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

0.90
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1427523703
Dimensions6.19 × 4.74 × 3.30 mm
L/W Ratio1.31
Key to symbols
Twinning Wisp, Feather
Top View
6.19 mm4.74 mm0.90 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1427523703
Side View
Table 66.0%CrownGirdlePavilionCulet: NoneDepth 69.6%

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: $6,539 AUD|Low: $757 AUD|High: $6,539 AUD|Avg: $3,273 AUD
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 13$1,986 AUD
Retailer 5$2,474 AUD
Retailer 8$2,557 AUD
Retailer 9$2,577 AUD
Retailer 6$2,587 AUD
Retailer 3$2,681 AUD
Retailer 17$2,681 AUD
Retailer 7$2,748 AUD
Retailer 16$2,804 AUD
Retailer 11$2,940 AUD
Retailer 4$3,093 AUD
Retailer 15$3,132 AUD
Retailer 10$3,659 AUD
Retailer 14$3,954 AUD
Retailer 12$4,697 AUD
Retailer 2$5,158 AUD
NZ Jewellers$6,539 AUD

27 data points across 17 retailers

18 retailers$1,986 AUD to $6,539 AUD

A
Cheapest Retailer
-
$1,986 AUD
HK$10,900 HKD
B+
Retailer 2
-
$2,441 AUD
$1,715 USD
View
B+
Retailer 3
-
$2,474 AUD
$1,738 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,577 AUD
$1,810 USD
View
B+
Retailer 5
-
$2,587 AUD
$1,817 USD
View
B+
Retailer 6
-
$2,681 AUD
$1,883 USD
View
B+
Retailer 7
-
$2,681 AUD
$1,883 USD
View
B+
Retailer 8
-
$2,748 AUD
$1,930 USD
View
B+
Retailer 9
-
$2,764 AUD
SGD 2,624 SGD
View
B+
Retailer 10
-
$2,804 AUD
$1,970 USD
View
B
Retailer 11
-
$2,940 AUD
£1,626 GBP
View
B+
Retailer 12
-
$3,093 AUD
$2,173 USD
View
B+
Retailer 13
-
$3,132 AUD
£1,732 GBP
View
B
Retailer 14
-
$3,659 AUD
€2,448 EUR
View
B
Retailer 15
-
$3,954 AUD
ZAR 44,868 ZAR
View
B
Retailer 16
-
$4,697 AUD
£2,598 GBP
View
B
Retailer 17
-
$5,158 AUD
£2,853 GBP
View
Most Expensive
B
NZ Jewellers
5dfa3770-efca-410c-a0d4-38e67a347614 · Oct 30
$6,539 AUD
$4,593 USD
View
17 more retailers have this diamond
Prices start from $1,986 AUDSave up to $4,552 AUD

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
0.90ct Radiant
$1,986 AUD