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Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 5242037212

Certificate GIA 5242037212

Diamond specifications and retailer prices

From $2,460 AUD
HK$13,500 HKD
As of November 1, 2026
Save $4,608 AUD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,068 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded I 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 5242037212. Listed at 8 retailers as of October 30, 2026, with prices from $2,460 to $7,068, a $4,608 spread on the same certified stone. NZ Jewellers lists it at $7,068. 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

1.20
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle59.91°
OriginNatural
Grading LabGIA
CertificateGIA 5242037212
Dimensions7.10 × 5.33 × 3.65 mm
L/W Ratio1.33
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.10 mm5.33 mm1.20 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242037212
Side View
Table 64.0%CrownGirdle: MED-STKPavilion 59.91°Culet: NoneDepth 68.5%

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: $7,068 AUD|Low: $2,460 AUD|High: $7,592 AUD|Avg: $4,461 AUD|-6.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6$2,460 AUD
Retailer 2$3,340 AUD
Retailer 7$3,460 AUD
Retailer 5$3,536 AUD
Retailer 8$3,700 AUD
Retailer 4$5,142 AUD
Retailer 3$5,955 AUD
NZ Jewellers$7,068 AUD

27 data points across 8 retailers

8 retailers$2,460 AUD to $7,068 AUD

A
Cheapest Retailer
-
$2,460 AUD
HK$13,500 HKD
A
Retailer 2
-
$3,340 AUD
$2,346 USD
View
A
Retailer 3
-
$3,460 AUD
SGD 3,284 SGD
View
A
Retailer 4
-
$3,536 AUD
$2,484 USD
View
B+
Retailer 5
-
$3,700 AUD
View
B+
Retailer 6
-
$5,142 AUD
€3,440 EUR
View
B
Retailer 7
-
$5,955 AUD
£3,294 GBP
View
Most Expensive
B
NZ Jewellers
c09eb73a-2936-4dab-a5a3-4fba6714d1d3 · Oct 30
$7,068 AUD
$4,965 USD
View
7 more retailers have this diamond
Prices start from $2,460 AUDSave up to $4,608 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
1.20ct Radiant
$2,460 AUD