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Oval|Natural|GIA

1.21ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 6512041258

Certificate GIA 6512041258

Diamond specifications and retailer prices

From $1,852 SGD
As of November 1, 2026
Save $1,080 SGD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,932 SGD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512041258. Listed at 9 retailers as of November 1, 2026, with prices from $1,852 to $2,932, a $1,080 spread on the same certified stone. Yorxs lists it at $2,932. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.36°
Pavilion angle38.36°
OriginNatural
Grading LabGIA
CertificateGIA 6512041258
Dimensions8.43 × 5.99 × 3.63 mm
L/W Ratio1.41
Top View
8.43 mm5.99 mm1.21 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512041258
Side View
Table 59.0%Crown 39.36°Girdle: STK-THKPavilion 38.36°Culet: NoneDepth 60.7%

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 1
Current: $2,912 SGD|Low: $1,852 SGD|High: $3,067 SGD|Avg: $2,237 SGD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 6, 2026
Retailer 3$1,852 SGD
Retailer 7$1,878 SGD
Retailer 6$1,908 SGD
Retailer 5$1,926 SGD
Retailer 8$1,958 SGD
Retailer 4$2,317 SGD
Retailer 2$2,403 SGD
Retailer 1$2,912 SGD
Yorxs$2,932 SGD

39 data points across 9 retailers

9 retailers$1,852 SGD to $2,932 SGD

A
Cheapest Retailer
-
$1,852 SGD
A
Retailer 2
-
$1,878 SGD
View
A
Retailer 3
-
$1,908 SGD
View
A
Retailer 4
-
$1,926 SGD
View
A
Retailer 5
-
$1,958 SGD
View
B+
Retailer 6
-
$2,317 SGD
View
B+
Retailer 7
-
$2,403 SGD
View
B+
Retailer 8
-
$2,912 SGD
View
Most Expensive
B+
Yorxs
488440496 · Nov 6
$2,932 SGD
€2,179 EUR
View
8 more retailers have this diamond
Prices start from $1,852 SGDSave up to $1,080 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
$1,852 SGD