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Marquise|Natural|GIA

1.21ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2245012124

Certificate GIA 2245012124

Diamond specifications and retailer prices

From $6,476 SGD
As of November 5, 2026
Save $7,528 SGD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $14,004 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245012124. Listed at 19 retailers as of November 5, 2026, with prices from $6,476 to $14,004, a $7,528 spread on the same certified stone. NZ Jewellers lists it at $14,004. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.85°
Pavilion angle40.41°
OriginNatural
Grading LabGIA
CertificateGIA 2245012124
Dimensions10.52 × 5.54 × 3.55 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.52 mm5.54 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2245012124
Side View
Table 60.0%Crown 38.85°Girdle: STK-THKPavilion 40.41°Culet: NoneDepth 64.2%

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 5
Current: $14,004 SGD|Low: $4,132 SGD|High: $14,004 SGD|Avg: $8,061 SGD
NZ Jewellers
Retailer 2
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Retailer 27
November 6, 2026
Retailer 17$4,132 SGD
Retailer 12$6,075 SGD
Retailer 16$6,114 SGD
Retailer 25$6,476 SGD
Retailer 7$6,615 SGD
Retailer 27$6,761 SGD
Retailer 20$6,927 SGD
Retailer 26$7,002 SGD
Retailer 8$7,076 SGD
Retailer 14$7,104 SGD
Retailer 18$7,171 SGD
Retailer 23$7,586 SGD
Retailer 5$7,914 SGD
Retailer 13$7,952 SGD
Retailer 2$8,122 SGD
Retailer 15$8,272 SGD
Retailer 10$8,456 SGD
Retailer 11$8,456 SGD
Retailer 4$8,573 SGD
Retailer 9$8,737 SGD
Retailer 21$8,752 SGD
Retailer 24$9,083 SGD
Retailer 6$9,231 SGD
Retailer 19$9,449 SGD
Retailer 22$10,216 SGD
Retailer 3$12,401 SGD
NZ Jewellers$14,004 SGD

5 data points across 27 retailers

19 retailers$6,476 SGD to $14,004 SGD

B+
Cheapest Retailer
-
$6,476 SGD
Retailer 2
-
$6,615 SGD
View
Price last confirmed 14 days ago
B+
Retailer 3
-
$6,927 SGD
View
B+
Retailer 4
-
$7,002 SGD
View
Final sale: no returns
B+
Retailer 5
-
$7,076 SGD
View
B+
Retailer 6
-
$7,586 SGD
View
B
Retailer 7
-
$7,914 SGD
View
B+
Retailer 8
-
$7,952 SGD
View
B+
Retailer 9
-
$8,122 SGD
View
B
Retailer 10
-
$8,456 SGD
View
B
Retailer 11
-
$8,456 SGD
View
B
Retailer 12
-
$8,573 SGD
View
B
Retailer 13
-
$8,737 SGD
View
B
Retailer 14
-
$8,752 SGD
View
Retailer 15
-
$8,752 SGD
View
Price last confirmed 16 days ago
Retailer 16
-
$9,231 SGD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$10,216 SGD
View
Retailer 18
-
$12,401 SGD
View
Price last confirmed 16 days ago
Most Expensive
B
NZ Jewellers
37fadd84-ff04-4ea0-ab27-69096abcf447 · Nov 5
$14,004 SGD
$10,964 USD
View
18 more retailers have this diamond
Prices start from $6,476 SGDSave up to $7,528 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
$6,476 SGD