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Oval|Natural|GIA

1.21ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 1232561133

Certificate GIA 1232561133

Diamond specifications and retailer prices

From $4,211 SGD
As of November 6, 2026
Save $1,581 SGD (27%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,793 SGD at Jared · As of November 6, 2026
View at Jared

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 1232561133. Listed at 8 retailers as of November 6, 2026, with prices from $4,211 to $5,793, a $1,581 spread on the same certified stone. Jared lists it at $5,793. 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
SymmetryExcellent
FluorescenceNone
Crown angle39.48°
Pavilion angle38.65°
OriginNatural
Grading LabGIA
CertificateGIA 1232561133
Dimensions8.11 × 5.96 × 3.77 mm
L/W Ratio1.36
Culet sizeNone
Top View
8.11 mm5.96 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1232561133
Side View
Table 56.0%Crown 39.48°Girdle: STK-THKPavilion 38.65°Culet: NoneDepth 63.3%

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 6
Current: $5,793 SGD|Low: $4,211 SGD|High: $5,793 SGD|Avg: $4,929 SGD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 18, 2026
Retailer 4$4,211 SGD
Retailer 5$4,213 SGD
Retailer 2$4,287 SGD
Retailer 6$4,316 SGD
Retailer 3$5,287 SGD
Retailer 7$5,601 SGD
Retailer 8$5,601 SGD
Jared$5,793 SGD

5 data points across 8 retailers

8 retailers$4,211 SGD to $5,793 SGD

A
Cheapest Retailer
-
$4,211 SGD
A
Retailer 2
-
$4,213 SGD
View
A
Retailer 3
-
$4,287 SGD
View
A
Retailer 4
-
$4,316 SGD
View
B+
Retailer 5
-
$5,287 SGD
View
B+
Retailer 6
-
$5,601 SGD
View
B+
Retailer 7
-
$5,601 SGD
View
Most Expensive
B
Jared
156204466 · Nov 6
$5,793 SGD
$4,520 USD
View
7 more retailers have this diamond
Prices start from $4,211 SGDSave up to $1,581 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
1.21ct Oval
$4,211 SGD