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Round|Natural|GIA

1.21ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 6505000480

Certificate GIA 6505000480

Diamond specifications and retailer prices

From $4,496 SGD
As of November 4, 2026
Save $6,834 SGD (60%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $11,330 SGD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6505000480. Listed at 26 retailers as of November 4, 2026, with prices from $4,496 to $11,330, a $6,834 spread on the same certified stone. Diamond Quarter lists it at $11,330. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6505000480
Dimensions6.94 × 6.89 × 4.14 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.94 mm6.89 mm1.21 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505000480
Side View
Table 60.0%Crown 33.5°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 59.9%

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 4
Current: $5,923 SGD|Low: $4,381 SGD|High: $9,759 SGD|Avg: $6,284 SGD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$4,496 SGD
Retailer 5$4,532 SGD
Retailer 9$5,377 SGD
Retailer 10$5,588 SGD
Retailer 1$5,923 SGD
Retailer 2$6,103 SGD
Retailer 7$6,438 SGD
Retailer 4$6,739 SGD
Retailer 3$7,387 SGD
Retailer 6$9,617 SGD

38 data points across 10 retailers

26 retailers$4,496 SGD to $11,330 SGD

A
Cheapest Retailer
-
$4,496 SGD
A
Retailer 2
-
$4,532 SGD
View
A
Retailer 3
-
$5,011 SGD
View
B+
Retailer 4
-
$5,280 SGD
View
B+
Retailer 5
-
$5,317 SGD
View
B+
Retailer 6
-
$5,377 SGD
View
B+
Retailer 7
-
$5,588 SGD
View
Final sale: no returns
Retailer 8
-
$5,708 SGD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$5,716 SGD
View
B+
Retailer 10
-
$5,923 SGD
View
Retailer 11
-
$6,054 SGD
View
Price last confirmed 8 days ago
Retailer 12
-
$6,054 SGD
View
Price last confirmed 8 days ago
Retailer 13
-
$6,054 SGD
View
Price last confirmed 53 days ago
Retailer 14
-
$6,054 SGD
View
Price last confirmed 8 days ago
Retailer 15
-
$6,103 SGD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$6,246 SGD
View
B+
Retailer 17
-
$6,298 SGD
View
B+
Retailer 18
-
$6,438 SGD
View
B+
Retailer 19
-
$6,739 SGD
View
Retailer 20
-
$6,986 SGD
View
Price last confirmed 53 days ago
Retailer 21
-
$6,986 SGD
View
Price last confirmed 10 days ago
B+
Retailer 22
-
$7,387 SGD
View
B
Retailer 23
-
$9,617 SGD
View
Retailer 24
-
$10,548 SGD
View
Price last confirmed 10 days ago
Retailer 25
-
$10,548 SGD
View
Price last confirmed 52 days ago
Most Expensive
B
Diamond Quarter
1.21VS1H65808DB9N · Nov 5
$11,330 SGD
£6,985 GBP
View
25 more retailers have this diamond
Prices start from $4,496 SGDSave up to $6,834 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 Round
$4,496 SGD