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Radiant|Natural|GIA

1.20ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 5553890587

Certificate GIA 5553890587

Diamond specifications and retailer prices

From $3,562 AUD
HK$19,500 HKD
As of November 1, 2026
Save $5,255 AUD (60%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,816 AUD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic 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 5553890587. Listed at 23 retailers as of October 28, 2026, with prices from $3,562 to $8,816, a $5,255 spread on the same certified stone. Queensmith lists it at $8,816. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553890587
Dimensions7.11 × 5.38 × 3.69 mm
L/W Ratio1.32
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
7.11 mm5.38 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553890587
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: 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: $8,816 AUD|Low: $3,525 AUD|High: $8,988 AUD|Avg: $5,285 AUD|+1.1%
Queensmith
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 3, 2026
Retailer 16$3,562 AUD
Retailer 2$3,725 AUD
Retailer 6$4,229 AUD
Retailer 10$4,307 AUD
Retailer 4$4,351 AUD
Retailer 17$4,538 AUD
Retailer 13$4,599 AUD
Retailer 9$4,883 AUD
Retailer 3$4,921 AUD
Retailer 11$4,927 AUD
Retailer 7$4,944 AUD
Retailer 5$5,037 AUD
Retailer 14$5,518 AUD
Retailer 8$5,633 AUD
Retailer 15$5,796 AUD
Retailer 12$7,885 AUD
Queensmith$8,816 AUD

23 data points across 17 retailers

23 retailers$3,562 AUD to $8,816 AUD

A
Cheapest Retailer
-
$3,562 AUD
HK$19,500 HKD
A
Retailer 2
-
$3,725 AUD
₹248,633 INR
View
B+
Retailer 3
-
$4,229 AUD
$2,964 USD
View
B+
Retailer 4
-
$4,307 AUD
SGD 4,079 SGD
View
B+
Retailer 5
-
$4,351 AUD
$3,049 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,538 AUD
$3,180 USD
View
B+
Retailer 7
-
$4,540 AUD
$3,182 USD
View
B+
Retailer 8
-
$4,599 AUD
£2,538 GBP
View
B+
Retailer 9
-
$4,812 AUD
View
Retailer 10
-
$4,883 AUD
$3,422 USD
View
Price last confirmed 16 days ago
Retailer 11
-
$4,883 AUD
$3,422 USD
View
Price last confirmed 18 days ago
B+
Retailer 12
-
$4,921 AUD
$3,448 USD
View
B+
Retailer 13
-
$4,927 AUD
£2,719 GBP
View
Retailer 14
-
$4,944 AUD
SGD 4,682 SGD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$5,037 AUD
$3,530 USD
View
Retailer 16
-
$5,070 AUD
$3,553 USD
View
Price last confirmed 17 days ago
Retailer 17
-
$5,260 AUD
View
Price last confirmed 30 days ago
B+
Retailer 18
-
$5,518 AUD
€3,683 EUR
View
Retailer 19
-
$5,633 AUD
$3,948 USD
View
Price last confirmed 15 days ago
B+
Retailer 20
-
$5,796 AUD
ZAR 65,619 ZAR
View
B
Retailer 21
-
$7,885 AUD
£4,351 GBP
View
Retailer 22
-
$8,506 AUD
$5,961 USD
View
Price last confirmed 16 days ago
Most Expensive
B
Queensmith
5553890587 · Oct 28
$8,816 AUD
£4,865 GBP
View
22 more retailers have this diamond
Prices start from $3,562 AUDSave up to $5,255 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
$3,562 AUD