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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 $2,496 USD
HK$19,500 HKD
As of November 1, 2026
Save $3,683 USD (60%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,179 USD 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 $2,496 to $6,179, a $3,683 spread on the same certified stone. Queensmith lists it at $6,179. 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
Color
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: $6,179 USD|Low: $2,470 USD|High: $6,299 USD|Avg: $3,708 USD|+0.7%
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 15$2,496 USD
Retailer 11$2,612 USD
Retailer 5$2,964 USD
Retailer 7$3,007 USD
Retailer 3$3,049 USD
Retailer 16$3,180 USD
Retailer 12$3,223 USD
Retailer 9$3,422 USD
Retailer 17$3,448 USD
Retailer 2$3,453 USD
Retailer 6$3,465 USD
Retailer 4$3,530 USD
Retailer 13$3,867 USD
Retailer 8$3,948 USD
Retailer 14$4,062 USD
Retailer 10$5,526 USD
Queensmith$6,179 USD

24 data points across 17 retailers

23 retailers$2,496 USD to $6,179 USD

A
Cheapest Retailer
-
$2,496 USD
HK$19,500 HKD
A
Retailer 2
-
$2,612 USD
₹248,719 INR
View
B+
Retailer 3
-
$2,964 USD
View
B+
Retailer 4
-
$3,007 USD
SGD 4,063 SGD
View
B+
Retailer 5
-
$3,049 USD
View
Final sale: no returns
B+
Retailer 6
-
$3,180 USD
View
B+
Retailer 7
-
$3,182 USD
View
B+
Retailer 8
-
$3,223 USD
£2,538 GBP
View
B+
Retailer 9
-
$3,372 USD
A$5,188 AUD
View
Retailer 10
-
$3,422 USD
View
Price last confirmed 15 days ago
Retailer 11
-
$3,422 USD
View
Price last confirmed 18 days ago
B+
Retailer 12
-
$3,448 USD
View
B+
Retailer 13
-
$3,453 USD
£2,719 GBP
View
B+
Retailer 14
-
$3,465 USD
SGD 4,682 SGD
View
B+
Retailer 15
-
$3,530 USD
View
Retailer 16
-
$3,553 USD
View
Price last confirmed 17 days ago
Retailer 17
-
$3,686 USD
A$5,671 AUD
View
Price last confirmed 30 days ago
B+
Retailer 18
-
$3,867 USD
€3,683 EUR
View
Retailer 19
-
$3,948 USD
View
Price last confirmed 15 days ago
B+
Retailer 20
-
$4,062 USD
ZAR 65,619 ZAR
View
B
Retailer 21
-
$5,526 USD
£4,351 GBP
View
Retailer 22
-
$5,961 USD
View
Price last confirmed 16 days ago
Most Expensive
B
Queensmith
5553890587 · Oct 28
$6,179 USD
£4,865 GBP
View
22 more retailers have this diamond
Prices start from $2,496 USDSave up to $3,683 USD

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
$2,496 USD