Marquise|Natural|GIA

1.20ct J SI2 Marquise Natural Diamond

VG • J/SI2 • GIA 2567197770

Certificate GIA 2567197770

Diamond specifications and retailer prices

From $2,484 USD
As of November 5, 2026
Save $2,036 USD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,520 USD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2567197770. Listed at 14 retailers as of November 5, 2026, with prices from $2,484 to $4,520, a $2,036 spread on the same certified stone. Helzberg Diamonds lists it at $4,520. 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

1.20
Carat
J
Color
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle39.69°
OriginNatural
Grading LabGIA
CertificateGIA 2567197770
Dimensions10.02 × 5.41 × 3.54 mm
L/W Ratio1.85
Culet sizeNone
Top View
10.02 mm5.41 mm1.20 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567197770
Side View
Table 58.0%Crown 39.9°Girdle: THK-VTKPavilion 39.69°Culet: NoneDepth 65.4%

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: Nov 5
Current: $4,520 USD|Low: $2,470 USD|High: $4,851 USD|Avg: $3,209 USD|-6.8%
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 6, 2026
Retailer 10$2,484 USD
Retailer 2$2,584 USD
Retailer 12$2,629 USD
Retailer 5$2,665 USD
Retailer 6$2,794 USD
Retailer 9$2,794 USD
Retailer 4$2,863 USD
Retailer 14$3,080 USD
Retailer 11$3,110 USD
Retailer 3$3,192 USD
Retailer 7$3,298 USD
Retailer 8$3,371 USD
Retailer 13$4,253 USD
Helzberg Diamonds$4,520 USD

29 data points across 14 retailers

14 retailers$2,484 USD to $4,520 USD

B+
Cheapest Retailer
-
$2,484 USD
B+
Retailer 2
-
$2,584 USD
View
B+
Retailer 3
-
$2,629 USD
View
B+
Retailer 4
-
$2,665 USD
View
B+
Retailer 5
-
$2,794 USD
View
B+
Retailer 6
-
$2,794 USD
View
B+
Retailer 7
-
$2,863 USD
View
B
Retailer 8
-
$3,080 USD
View
B
Retailer 9
-
$3,110 USD
View
B
Retailer 10
-
$3,192 USD
View
B
Retailer 11
-
$3,298 USD
View
B
Retailer 12
-
$3,371 USD
View
B
Retailer 13
-
$4,253 USD
View
Most Expensive
B
Helzberg Diamonds
XZRILMNHPNNNG · Nov 6
$4,520 USD
View
13 more retailers have this diamond
Prices start from $2,484 USDSave up to $2,036 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+
1.20ct Marquise
$2,484 USD