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Radiant|Natural|GIA

0.90ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 6551210208

Certificate GIA 6551210208

Diamond specifications and retailer prices

From $2,343 AUD
$1,646 USD
As of October 28, 2026
Save $4,492 AUD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,835 AUD at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551210208. Listed at 12 retailers as of October 27, 2026, with prices from $2,343 to $6,835, a $4,492 spread on the same certified stone. NZ Jewellers lists it at $6,835. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551210208
Dimensions6.25 × 4.80 × 3.35 mm
L/W Ratio1.30
Girdle conditionPolished
Top View
6.25 mm4.80 mm0.90 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551210208
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.8%

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 28
Current: $3,103 AUD|Low: $1,953 AUD|High: $4,969 AUD|Avg: $3,210 AUD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$2,343 AUD
Retailer 7$2,582 AUD
Retailer 9$3,103 AUD
Retailer 1$3,103 AUD
Retailer 8$3,228 AUD
Retailer 6$3,254 AUD
Retailer 4$3,274 AUD
Retailer 3$3,611 AUD
Retailer 2$4,937 AUD

42 data points across 9 retailers

12 retailers$2,343 AUD to $6,835 AUD

A
Cheapest Retailer
-
$2,343 AUD
$1,646 USD
Final sale: no returns
A
Retailer 2
-
$2,582 AUD
$1,814 USD
View
B+
Retailer 3
-
$3,003 AUD
$2,110 USD
View
B+
Retailer 4
-
$3,003 AUD
$2,110 USD
View
B+
Retailer 5
-
$3,103 AUD
$2,180 USD
View
B+
Retailer 6
-
$3,103 AUD
£1,717 GBP
View
B+
Retailer 7
-
$3,228 AUD
$2,268 USD
View
B+
Retailer 8
-
$3,254 AUD
CA$3,175 CAD
View
B+
Retailer 9
-
$3,274 AUD
£1,811 GBP
View
B+
Retailer 10
-
$3,611 AUD
€2,416 EUR
View
B
Retailer 11
-
$4,937 AUD
£2,731 GBP
View
Most Expensive
B
NZ Jewellers
59b18a2f-07e4-46fe-b831-934f26e28928 · Oct 27
$6,835 AUD
$4,802 USD
View
11 more retailers have this diamond
Prices start from $2,343 AUDSave up to $4,492 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
$2,343 AUD