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Oval|Natural|GIA

1.21ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2235885504

Certificate GIA 2235885504

Diamond specifications and retailer prices

From $2,198 SGD
As of November 6, 2026
Save $4,059 SGD (65%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,257 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 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 2235885504. Listed at 14 retailers as of November 5, 2026, with prices from $2,198 to $6,257, a $4,059 spread on the same certified stone. NZ Jewellers lists it at $6,257. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.97°
OriginNatural
Grading LabGIA
CertificateGIA 2235885504
Dimensions8.16 × 5.87 × 3.82 mm
L/W Ratio1.39
Key to symbols
Crystal, Feather, Needle
Top View
8.16 mm5.87 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235885504
Side View
Table 59.0%CrownGirdle: STK-THKPavilion 36.97°Culet: NoneDepth 65.1%

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: $6,257 SGD|Low: $2,198 SGD|High: $6,653 SGD|Avg: $3,760 SGD|-6.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13$2,198 SGD
Retailer 4$2,794 SGD
Retailer 5$2,840 SGD
Retailer 2$2,903 SGD
Retailer 3$2,993 SGD
Retailer 6$3,059 SGD
Retailer 12$3,131 SGD
Retailer 9$3,169 SGD
Retailer 11$3,282 SGD
Retailer 7$3,722 SGD
Retailer 10$4,561 SGD
Retailer 8$5,229 SGD
NZ Jewellers$6,257 SGD

31 data points across 13 retailers

14 retailers$2,198 SGD to $6,257 SGD

A
Cheapest Retailer
-
$2,198 SGD
A
Retailer 2
-
$2,794 SGD
View
A
Retailer 3
-
$2,840 SGD
View
Final sale: no returns
A
Retailer 4
-
$2,903 SGD
View
A
Retailer 5
-
$2,993 SGD
View
A
Retailer 6
-
$3,059 SGD
View
A
Retailer 7
-
$3,131 SGD
View
B+
Retailer 8
-
$3,169 SGD
View
A
Retailer 9
-
$3,282 SGD
View
B+
Retailer 10
-
$3,396 SGD
View
B+
Retailer 11
-
$3,722 SGD
View
B+
Retailer 12
-
$4,561 SGD
View
B
Retailer 13
-
$5,229 SGD
View
Most Expensive
B
NZ Jewellers
f2c76e6b-8d0f-4960-8497-6b0627693bb3 · Nov 5
$6,257 SGD
$4,882 USD
View
13 more retailers have this diamond
Prices start from $2,198 SGDSave up to $4,059 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
$2,198 SGD