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Marquise|Natural|GIA

1.21ct F VS1 Marquise Natural Diamond

EX • F/VS1 • GIA 2557139248

Certificate GIA 2557139248

Diamond specifications and retailer prices

From $10,284 SGD
As of November 4, 2026
Save $5,784 SGD (36%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,068 SGD at Steven Stone · As of November 7, 2026
View at Steven Stone

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557139248. Listed at 15 retailers as of November 4, 2026, with prices from $10,284 to $16,068, a $5,784 spread on the same certified stone. Steven Stone lists it at $16,068. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.13°
Pavilion angle40.99°
OriginNatural
Grading LabGIA
CertificateGIA 2557139248
Dimensions10.82 × 5.63 × 3.52 mm
L/W Ratio1.92
Top View
10.82 mm5.63 mm1.21 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557139248
Side View
Table 60.0%Crown 36.13°Girdle: MED-THKPavilion 40.99°Culet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $11,888 SGD|Low: $10,284 SGD|High: $16,137 SGD|Avg: $12,688 SGD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Steven Stone
November 7, 2026
Retailer 3$10,284 SGD
Retailer 13$10,913 SGD
Retailer 1$11,888 SGD
Retailer 4$12,060 SGD
Retailer 10$12,244 SGD
Retailer 8$12,594 SGD
Retailer 9$12,983 SGD
Retailer 11$12,983 SGD
Retailer 5$13,052 SGD
Retailer 2$13,163 SGD
Retailer 6$13,307 SGD
Retailer 12$13,418 SGD
Retailer 7$16,025 SGD
Steven Stone$16,068 SGD

45 data points across 14 retailers

15 retailers$10,284 SGD to $16,068 SGD

B+
Cheapest Retailer
-
$10,284 SGD
B+
Retailer 2
-
$10,913 SGD
View
B+
Retailer 3
-
$11,888 SGD
View
B
Retailer 4
-
$12,060 SGD
View
B
Retailer 5
-
$12,244 SGD
View
B
Retailer 6
-
$12,594 SGD
View
B
Retailer 7
-
$12,983 SGD
View
B
Retailer 8
-
$12,983 SGD
View
B
Retailer 9
-
$13,052 SGD
View
B
Retailer 10
-
$13,121 SGD
View
B
Retailer 11
-
$13,163 SGD
View
B
Retailer 12
-
$13,307 SGD
View
B
Retailer 13
-
$13,418 SGD
View
B
Retailer 14
-
$16,025 SGD
View
Most Expensive
B
Steven Stone
338028196 · Nov 7
$16,068 SGD
£9,872 GBP
View
14 more retailers have this diamond
Prices start from $10,284 SGDSave up to $5,784 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 Marquise
$10,284 SGD