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Oval|Natural|GIA

1.21ct K VS1 Oval Natural Diamond

ID • K/VS1 • GIA 8

Certificate GIA 8

Diamond specifications and retailer prices

From $3,708 SGD
As of November 4, 2026
Save $979 SGD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,687 SGD at Blue Nile · As of November 5, 2026
View at Blue Nile

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 VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 4, 2026, with prices from $3,708 to $4,687, a $979 spread on the same certified stone. Blue Nile lists it at $4,687. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
K
Colour
VS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 8
Dimensions8.88 × 5.91 × 3.61 mm
L/W Ratio1.50
Top View
8.88 mm5.91 mm1.21 ctK / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 8
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.2%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $4,687 SGD|Low: $3,708 SGD|High: $4,687 SGD|Avg: $3,921 SGD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 3$3,708 SGD
Retailer 2$3,753 SGD
Blue Nile$4,687 SGD

2 data points across 3 retailers

3 retailers$3,708 SGD to $4,687 SGD

B+
Cheapest Retailer
-
$3,708 SGD
B+
Retailer 2
-
$3,753 SGD
View
Most Expensive
B
Blue Nile
22458646 · Nov 5
$4,687 SGD
$3,657 USD
View
2 more retailers have this diamond
Prices start from $3,708 SGDSave up to $979 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
$3,708 SGD