Marquise|Natural|GIA

1.20ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1568555776

Certificate GIA 1568555776

Diamond specifications and retailer prices

From $4,987 USD
As of November 5, 2026
Save $5,003 USD (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,990 USD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural marquise diamond

This 1.2ct 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 1568555776. Listed at 14 retailers as of November 4, 2026, with prices from $4,987 to $9,990, a $5,003 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,990. 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

1.20
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle36.86°
OriginNatural
Grading LabGIA
CertificateGIA 1568555776
Dimensions11.80 × 5.49 × 3.18 mm
L/W Ratio2.15
Culet sizeNone
Top View
11.80 mm5.49 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568555776
Side View
Table 60.0%Crown 37.2°Girdle: STK-THKPavilion 36.86°Culet: NoneDepth 58.0%

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: $7,812 USD|Low: $4,980 USD|High: $9,990 USD|Avg: $6,902 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 6, 2026
Retailer 8$4,987 USD
Retailer 9$5,510 USD
Retailer 12$5,661 USD
Retailer 2$5,831 USD
Retailer 10$5,865 USD
Retailer 13$5,890 USD
Retailer 5$5,964 USD
Retailer 7$6,226 USD
Retailer 4$6,946 USD
Retailer 3$6,983 USD
Retailer 6$6,988 USD
Retailer 1$7,812 USD
Retailer 11$9,496 USD
Wholesale Diamonds Direct$9,990 USD

23 data points across 14 retailers

14 retailers$4,987 USD to $9,990 USD

B+
Cheapest Retailer
-
$4,987 USD
B+
Retailer 2
-
$5,510 USD
View
B+
Retailer 3
-
$5,661 USD
View
B+
Retailer 4
-
$5,831 USD
View
B+
Retailer 5
-
$5,865 USD
View
B+
Retailer 6
-
$5,890 USD
View
B+
Retailer 7
-
$5,964 USD
View
B+
Retailer 8
-
$6,226 USD
View
B
Retailer 9
-
$6,946 USD
View
B
Retailer 10
-
$6,983 USD
View
B
Retailer 11
-
$6,988 USD
View
B
Retailer 12
-
$7,812 USD
View
B
Retailer 13
-
$9,496 USD
View
Most Expensive
B
Wholesale Diamonds Direct
545945760 · Nov 4
$9,990 USD
View
13 more retailers have this diamond
Prices start from $4,987 USDSave up to $5,003 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
$4,987 USD