Oval|Natural|GIA

1.21ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 5566279706

Certificate GIA 5566279706

Diamond specifications and retailer prices

From $6,002 SGD
As of November 5, 2026
Save $6,578 SGD (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,580 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct natural oval 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 5566279706. Listed at 10 retailers as of November 5, 2026, with prices from $6,002 to $12,580, a $6,578 spread on the same certified stone. NZ Jewellers lists it at $12,580. 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

1.21
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566279706
Dimensions8.91 × 5.64 × 3.55 mm
L/W Ratio1.58
Girdle conditionFaceted
Top View
8.91 mm5.64 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566279706
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCuletDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $12,580 SGD|Low: $6,002 SGD|High: $12,580 SGD|Avg: $8,078 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$6,002 SGD
Retailer 8$6,452 SGD
Retailer 6$6,814 SGD
Retailer 10$6,814 SGD
Retailer 2$7,297 SGD
Retailer 4$7,336 SGD
Retailer 7$7,863 SGD
Retailer 3$8,089 SGD
Retailer 5$11,051 SGD
NZ Jewellers$12,580 SGD

40 data points across 10 retailers

10 retailers$6,002 SGD to $12,580 SGD

B+
Cheapest Retailer
-
$6,002 SGD
B+
Retailer 2
-
$6,452 SGD
View
B
Retailer 3
-
$6,814 SGD
View
B
Retailer 4
-
$6,814 SGD
View
B
Retailer 5
-
$7,297 SGD
View
B
Retailer 6
-
$7,336 SGD
View
B
Retailer 7
-
$7,863 SGD
View
B
Retailer 8
-
$8,089 SGD
View
B
Retailer 9
-
$11,051 SGD
View
Most Expensive
B
NZ Jewellers
4bdff83f-f179-46c7-97ab-fbb2609fd2ca · Nov 5
$12,580 SGD
$9,816 USD
View
9 more retailers have this diamond
Prices start from $6,002 SGDSave up to $6,578 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.

B+
1.21ct Oval
$6,002 SGD