Marquise|Natural|GIA

1.22ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 7556938122

Certificate GIA 7556938122

Diamond specifications and retailer prices

From $2,784 USD
As of October 31, 2026
Save $2,510 USD (47%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,294 USD at Helzberg Diamonds · As of November 1, 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 $2,784 to $5,294, a $2,510 spread on the same certified stone. Helzberg Diamonds lists it at $5,294. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,294 USD|Low: $2,784 USD|High: $5,624 USD|Avg: $3,735 USD|-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 3, 2026
Retailer 10$2,784 USD
Retailer 14$2,836 USD
Retailer 11$3,000 USD
Retailer 12$3,009 USD
Retailer 2$3,255 USD
Retailer 5$3,354 USD
Retailer 9$3,552 USD
Retailer 3$3,577 USD
Retailer 4$3,661 USD
Retailer 7$3,718 USD
Retailer 8$3,861 USD
Retailer 13$4,694 USD
Retailer 6$4,982 USD
Helzberg Diamonds$5,294 USD

28 data points across 14 retailers

14 retailers$2,784 USD to $5,294 USD

B+
Cheapest Retailer
-
$2,784 USD
B+
Retailer 2
-
$2,836 USD
SGD 3,832 SGD
View
B+
Retailer 3
-
$3,000 USD
View
B+
Retailer 4
-
$3,009 USD
View
B+
Retailer 5
-
$3,255 USD
£2,563 GBP
View
B
Retailer 6
-
$3,354 USD
SGD 4,532 SGD
View
B+
Retailer 7
-
$3,552 USD
View
B+
Retailer 8
-
$3,577 USD
View
B
Retailer 9
-
$3,661 USD
View
B
Retailer 10
-
$3,718 USD
€3,541 EUR
View
B
Retailer 11
-
$3,861 USD
View
B
Retailer 12
-
$4,694 USD
View
Retailer 13
-
$4,982 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Helzberg Diamonds
XZRNLLMPJOHII · Nov 1
$5,294 USD
View
13 more retailers have this diamond
Prices start from $2,784 USDSave up to $2,510 USD

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
$2,784 USD