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Radiant|Natural|GIA

1.22ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 7538500801

Certificate GIA 7538500801

Diamond specifications and retailer prices

From $4,578 SGD
As of November 7, 2026
Save $4,078 SGD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,656 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.22ct natural radiant diamond

This 1.22ct natural radiant sits in the classic 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 7538500801. Listed at 9 retailers as of November 3, 2026, with prices from $4,578 to $8,656, a $4,078 spread on the same certified stone. NZ Jewellers lists it at $8,656. 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

1.22
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle30.86°
OriginNatural
Grading LabGIA
CertificateGIA 7538500801
Dimensions6.83 × 5.23 × 3.63 mm
L/W Ratio1.31
Girdle conditionThick
Key to symbols
Crystal, Cloud
Top View
6.83 mm5.23 mm1.22 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7538500801
Side View
Table 65.0%Crown 44.8°Girdle: ThickPavilion 30.86°Culet: NoneDepth 69.5%

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 7
Current: $8,656 SGD|Low: $4,523 SGD|High: $8,787 SGD|Avg: $5,800 SGD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 4$4,578 SGD
Retailer 2$4,748 SGD
Retailer 6$4,846 SGD
Retailer 8$4,969 SGD
Retailer 9$5,155 SGD
Retailer 3$5,160 SGD
Retailer 10$5,401 SGD
Retailer 5$5,601 SGD
Retailer 7$8,309 SGD
NZ Jewellers$8,656 SGD

35 data points across 10 retailers

9 retailers$4,578 SGD to $8,656 SGD

A
Cheapest Retailer
-
$4,578 SGD
B+
Retailer 2
-
$4,748 SGD
View
B+
Retailer 3
-
$4,846 SGD
View
B+
Retailer 4
-
$4,969 SGD
View
B+
Retailer 5
-
$5,155 SGD
View
B+
Retailer 6
-
$5,160 SGD
View
Retailer 7
-
$5,401 SGD
View
Price last confirmed 30 days ago
B
Retailer 8
-
$8,309 SGD
View
Most Expensive
B
NZ Jewellers
80fdecf5-a6c0-4164-a363-c9361a4e2b91 · Nov 3
$8,656 SGD
$6,754 USD
View
8 more retailers have this diamond
Prices start from $4,578 SGDSave up to $4,078 SGD

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
1.22ct Radiant
$4,578 SGD