Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 5231970791

Certificate GIA 5231970791

Diamond specifications and retailer prices

From $2,073 USD
As of November 5, 2026
Save $3,811 USD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,884 USD at NZ Jewellers · As of November 5, 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 5231970791. Listed at 8 retailers as of November 5, 2026, with prices from $2,073 to $5,884, a $3,811 spread on the same certified stone. NZ Jewellers lists it at $5,884. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle60.33°
OriginNatural
Grading LabGIA
CertificateGIA 5231970791
Dimensions7.10 × 5.34 × 3.67 mm
L/W Ratio1.33
Key to symbols
Cloud, Crystal, Feather, Needle, Natural
Top View
7.10 mm5.34 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231970791
Side View
Table 67.0%CrownGirdle: ThickPavilion 60.33°Culet: NoneDepth 68.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,884 USD|Low: $2,073 USD|High: $6,314 USD|Avg: $3,487 USD|+10.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 4$2,073 USD
Retailer 7$2,679 USD
Retailer 5$2,815 USD
Retailer 3$2,884 USD
Retailer 2$2,923 USD
Retailer 8$3,047 USD
Retailer 6$4,969 USD
NZ Jewellers$5,884 USD

33 data points across 8 retailers

8 retailers$2,073 USD to $5,884 USD

A
Cheapest Retailer
-
$2,073 USD
B+
Retailer 2
-
$2,679 USD
View
Final sale: no returns
B+
Retailer 3
-
$2,815 USD
View
B+
Retailer 4
-
$2,884 USD
View
B+
Retailer 5
-
$2,923 USD
View
B
Retailer 6
-
$3,047 USD
View
B
Retailer 7
-
$4,969 USD
View
Most Expensive
B
NZ Jewellers
823fe09c-94bc-410d-a984-a81c7c49cc42 · Nov 5
$5,884 USD
View
7 more retailers have this diamond
Prices start from $2,073 USDSave up to $3,811 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
$2,073 USD