Marquise|Natural|GIA

1.20ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2564577837

Certificate GIA 2564577837

Diamond specifications and retailer prices

From $5,319 USD
As of November 4, 2026
Save $4,330 USD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,649 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 2564577837. Listed at 14 retailers as of November 4, 2026, with prices from $5,319 to $9,649, a $4,330 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,649. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.64°
Pavilion angle37.65°
OriginNatural
Grading LabGIA
CertificateGIA 2564577837
Dimensions11.38 × 5.55 × 3.23 mm
L/W Ratio2.05
Culet sizeNone
Top View
11.38 mm5.55 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564577837
Side View
Table 60.0%Crown 36.64°Girdle: THN-THKPavilion 37.65°Culet: NDepth 58.3%

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 4
Current: $6,746 USD|Low: $5,319 USD|High: $9,649 USD|Avg: $6,689 USD|+0.1%
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$5,319 USD
Retailer 5$5,408 USD
Retailer 12$5,465 USD
Retailer 7$5,567 USD
Retailer 3$5,627 USD
Retailer 13$5,700 USD
Retailer 11$5,756 USD
Retailer 6$6,010 USD
Retailer 4$6,720 USD
Retailer 1$6,746 USD
Retailer 10$6,751 USD
Retailer 2$8,729 USD
Retailer 9$9,165 USD
Wholesale Diamonds Direct$9,649 USD

21 data points across 14 retailers

14 retailers$5,319 USD to $9,649 USD

B+
Cheapest Retailer
-
$5,319 USD
B+
Retailer 2
-
$5,408 USD
View
B+
Retailer 3
-
$5,465 USD
View
B+
Retailer 4
-
$5,567 USD
View
B+
Retailer 5
-
$5,627 USD
View
B+
Retailer 6
-
$5,700 USD
View
B+
Retailer 7
-
$5,756 USD
View
B+
Retailer 8
-
$6,010 USD
View
B
Retailer 9
-
$6,720 USD
View
B
Retailer 10
-
$6,746 USD
View
B
Retailer 11
-
$6,751 USD
View
B
Retailer 12
-
$8,729 USD
View
B
Retailer 13
-
$9,165 USD
View
Most Expensive
B
Wholesale Diamonds Direct
661914510 · Nov 4
$9,649 USD
View
13 more retailers have this diamond
Prices start from $5,319 USDSave up to $4,330 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
$5,319 USD