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Round|Natural|GIA

1.22ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6552522312

Certificate GIA 6552522312

Diamond specifications and retailer prices

From $3,661 SGD
As of November 5, 2026
Save $2,420 SGD (40%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,276 SGD at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 1.22ct natural round diamond

This 1.22ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552522312. Listed at 9 retailers as of November 4, 2026, with a 66% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552522312
Dimensions6.75 × 6.79 × 4.28 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.75 mm6.79 mm1.22 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552522312
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

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 5
Current: $3,854 SGD|Low: $3,611 SGD|High: $6,288 SGD|Avg: $4,389 SGD|-6.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2$3,661 SGD
Retailer 4$3,730 SGD
Retailer 1$3,854 SGD
Retailer 3$6,081 SGD

36 data points across 4 retailers

9 retailers$3,661 SGD to $6,081 SGD

Retailer 1
-
$3,481 SGD
Price last confirmed 29 days ago
Retailer 2
-
$3,481 SGD
View
Price last confirmed 29 days ago
A
Retailer 3
-
$3,661 SGD
View
Retailer 4
-
$3,730 SGD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$3,854 SGD
View
Retailer 6
-
$3,864 SGD
View
Price last confirmed 38 days ago
Retailer 7
-
$4,016 SGD
View
Price last confirmed 35 days ago
B+
Retailer 8
-
$6,081 SGD
View
Most Expensive
NZ Jewellers
9c90194f-7a7b-4fda-a4ea-06c3cab14f1a · Oct 3
$7,276 SGD
$5,696 USD
View
Price last confirmed 34 days ago
8 more retailers have this diamond
Prices start from $3,661 SGDSave up to $2,420 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 Round
$3,661 SGD