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Marquise|Natural|GIA

1.22ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 7556938122

Certificate GIA 7556938122

Diamond specifications and retailer prices

From $3,567 SGD
As of October 31, 2026
Save $3,218 SGD (47%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,785 SGD at Helzberg Diamonds · As of November 3, 2026
View at Helzberg Diamonds

About this 1.22ct natural marquise diamond

This 1.22ct natural marquise sits in the classic one-carat band, graded J 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 7556938122. Listed at 14 retailers as of October 31, 2026, with prices from $3,567 to $6,785, a $3,218 spread on the same certified stone. Helzberg Diamonds lists it at $6,785. 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

1.22
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.51°
Pavilion angle41.66°
OriginNatural
Grading LabGIA
CertificateGIA 7556938122
Dimensions11.26 × 5.49 × 3.44 mm
L/W Ratio2.05
Culet sizeNone
Top View
11.26 mm5.49 mm1.22 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7556938122
Side View
Table 61.0%Crown 35.51°Girdle: STK-THKPavilion 41.66°Culet: NoneDepth 62.6%

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: Oct 31
Current: $6,785 SGD|Low: $3,567 SGD|High: $7,208 SGD|Avg: $4,834 SGD|-5.9%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 11$3,567 SGD
Retailer 2$3,654 SGD
Retailer 12$3,845 SGD
Retailer 13$3,856 SGD
Retailer 8$4,170 SGD
Retailer 5$4,297 SGD
Retailer 10$4,552 SGD
Retailer 3$4,584 SGD
Retailer 4$4,692 SGD
Retailer 7$4,756 SGD
Retailer 9$4,948 SGD
Retailer 14$6,016 SGD
Retailer 6$6,384 SGD
Helzberg Diamonds$6,785 SGD

29 data points across 14 retailers

14 retailers$3,567 SGD to $6,785 SGD

B+
Cheapest Retailer
-
$3,567 SGD
B+
Retailer 2
-
$3,654 SGD
View
B+
Retailer 3
-
$3,845 SGD
View
B+
Retailer 4
-
$3,856 SGD
View
B+
Retailer 5
-
$4,170 SGD
View
B
Retailer 6
-
$4,297 SGD
View
B+
Retailer 7
-
$4,552 SGD
View
B+
Retailer 8
-
$4,584 SGD
View
B
Retailer 9
-
$4,692 SGD
View
B
Retailer 10
-
$4,756 SGD
View
B
Retailer 11
-
$4,948 SGD
View
B
Retailer 12
-
$6,016 SGD
View
Retailer 13
-
$6,384 SGD
View
Price last confirmed 11 days ago
Most Expensive
B
Helzberg Diamonds
XZRNLLMPJOHII · Nov 3
$6,785 SGD
$5,294 USD
View
13 more retailers have this diamond
Prices start from $3,567 SGDSave up to $3,218 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+
1.22ct Marquise
$3,567 SGD