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Marquise|Natural|IGI

1.21ct F SI2 Marquise Natural Diamond

VG • F/SI2 • IGI 848625405

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 848625405

Diamond specifications and retailer prices

From $2,962 SGD
As of November 6, 2026
Save $5,017 SGD (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,979 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 848625405. Listed at 10 retailers as of November 5, 2026, with prices from $2,962 to $7,979, a $5,017 spread on the same certified stone. NZ Jewellers lists it at $7,979. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle43.5°
Pavilion angle33.2°
OriginNatural
Grading LabIGI
CertificateIGI 848625405
Dimensions10.39 × 5.46 × 3.33 mm
L/W Ratio1.90
Girdle conditionFaceted
Top View
10.39 mm5.46 mm1.21 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 848625405
Side View
Table 59.0%Crown 43.5°Girdle: STK-THKPavilion 33.2°Culet: NoneDepth 61.0%

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 6
Current: $7,979 SGD|Low: $2,962 SGD|High: $7,979 SGD|Avg: $4,505 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$2,962 SGD
Retailer 5$3,523 SGD
Retailer 9$3,717 SGD
Retailer 3$3,753 SGD
Retailer 8$3,817 SGD
Retailer 7$3,964 SGD
Retailer 6$4,404 SGD
Retailer 4$6,364 SGD
NZ Jewellers$7,979 SGD

13 data points across 9 retailers

10 retailers$2,962 SGD to $7,979 SGD

A
Cheapest Retailer
-
$2,962 SGD
Retailer 2
-
$3,428 SGD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$3,523 SGD
View
Final sale: no returns
B+
Retailer 4
-
$3,717 SGD
View
A
Retailer 5
-
$3,753 SGD
View
A
Retailer 6
-
$3,817 SGD
View
B+
Retailer 7
-
$3,964 SGD
View
B+
Retailer 8
-
$4,404 SGD
View
B
Retailer 9
-
$6,364 SGD
View
Most Expensive
B
NZ Jewellers
e2b19350-f6e8-436d-9c5c-a0558cf08c25 · Nov 5
$7,979 SGD
$6,226 USD
View
9 more retailers have this diamond
Prices start from $2,962 SGDSave up to $5,017 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 Marquise
$2,962 SGD