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Marquise|Natural|GIA

1.21ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 5241043968

Certificate GIA 5241043968

Diamond specifications and retailer prices

From $5,545 SGD
As of November 6, 2026
Save $5,124 SGD (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $10,669 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded G 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 5241043968. Listed at 6 retailers as of November 4, 2026, with prices from $5,545 to $10,669, a $5,124 spread on the same certified stone. MOH London lists it at $10,669. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5241043968
Dimensions9.95 × 5.76 × 3.62 mm
L/W Ratio1.73
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Feather, Natural
Top View
9.95 mm5.76 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 5241043968
Side View
Table 53.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.9%

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 6
Current: $10,669 SGD|Low: $5,408 SGD|High: $10,812 SGD|Avg: $7,721 SGD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 4$5,408 SGD
Retailer 2$6,637 SGD
Retailer 5$7,413 SGD
Retailer 3$7,556 SGD
MOH London$10,669 SGD

35 data points across 5 retailers

6 retailers$5,545 SGD to $10,669 SGD

Retailer 1
-
$5,408 SGD
Price last confirmed 10 days ago
B+
Retailer 2
-
$5,545 SGD
View
B
Retailer 3
-
$6,637 SGD
View
Retailer 4
-
$7,413 SGD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$7,556 SGD
View
Most Expensive
B
MOH London
2F5F63AFF · Nov 4
$10,669 SGD
£6,555 GBP
View
5 more retailers have this diamond
Prices start from $5,545 SGDSave up to $5,124 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
$5,545 SGD