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Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 2235875611

Certificate GIA 2235875611

Diamond specifications and retailer prices

From $7,550 SGD
As of November 6, 2026
Save $7,838 SGD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,388 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 D 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 2235875611. Listed at 15 retailers as of November 5, 2026, with prices from $7,550 to $15,388, a $7,838 spread on the same certified stone. NZ Jewellers lists it at $15,388. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.71°
Pavilion angle39.87°
OriginNatural
Grading LabGIA
CertificateGIA 2235875611
Dimensions9.99 × 5.48 × 3.60 mm
L/W Ratio1.82
Culet sizeNone
Top View
9.99 mm5.48 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235875611
Side View
Table 61.0%Crown 43.71°Girdle: STK-THKPavilion 39.87°Culet: NoneDepth 65.7%

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: $15,388 SGD|Low: $8,492 SGD|High: $15,388 SGD|Avg: $10,564 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 8$8,492 SGD
Retailer 2$8,735 SGD
Retailer 6$8,929 SGD
Retailer 9$9,201 SGD
Retailer 7$9,342 SGD
Retailer 3$9,996 SGD
Retailer 4$11,226 SGD
Retailer 5$13,227 SGD
NZ Jewellers$15,388 SGD

46 data points across 9 retailers

15 retailers$7,550 SGD to $15,388 SGD

B+
Cheapest Retailer
-
$7,550 SGD
B+
Retailer 2
-
$7,784 SGD
View
B+
Retailer 3
-
$8,024 SGD
View
Retailer 4
-
$8,492 SGD
View
Price last confirmed 9 days ago
B
Retailer 5
-
$8,510 SGD
View
B+
Retailer 6
-
$8,735 SGD
View
Retailer 7
-
$8,929 SGD
View
Price last confirmed 16 days ago
B
Retailer 8
-
$9,201 SGD
View
B
Retailer 9
-
$9,342 SGD
View
B
Retailer 10
-
$9,407 SGD
View
B
Retailer 11
-
$9,996 SGD
View
B
Retailer 12
-
$10,615 SGD
View
B
Retailer 13
-
$11,226 SGD
View
B
Retailer 14
-
$13,227 SGD
View
Most Expensive
B
NZ Jewellers
73d8b48a-968c-47cf-8063-b3b856ef1991 · Nov 5
$15,388 SGD
$12,007 USD
View
14 more retailers have this diamond
Prices start from $7,550 SGDSave up to $7,838 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
$7,550 SGD