Marquise|Natural|GIA

1.20ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1569588431

Certificate GIA 1569588431

Diamond specifications and retailer prices

From $5,236 USD
As of November 5, 2026
Save $4,285 USD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,521 USD at Wholesale Diamonds Direct · As of November 6, 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 D 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 1569588431. Listed at 14 retailers as of November 5, 2026, with prices from $5,236 to $9,521, a $4,285 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,521. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.61°
Pavilion angle39.48°
OriginNatural
Grading LabGIA
CertificateGIA 1569588431
Dimensions11.02 × 5.68 × 3.34 mm
L/W Ratio1.94
Culet sizeNone
Top View
11.02 mm5.68 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1569588431
Side View
Table 60.0%Crown 36.61°Girdle: MED-THKPavilion 39.48°Culet: NDepth 58.8%

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: $5,666 USD|Low: $5,236 USD|High: $9,594 USD|Avg: $6,524 USD|-0.8%
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 13$5,236 USD
Retailer 5$5,371 USD
Retailer 2$5,423 USD
Retailer 10$5,524 USD
Retailer 4$5,585 USD
Retailer 3$5,660 USD
Retailer 1$5,666 USD
Retailer 8$5,917 USD
Retailer 12$6,621 USD
Retailer 7$6,640 USD
Retailer 11$6,650 USD
Retailer 6$7,421 USD
Retailer 9$9,021 USD
Wholesale Diamonds Direct$9,521 USD

24 data points across 14 retailers

14 retailers$5,236 USD to $9,521 USD

B+
Cheapest Retailer
-
$5,236 USD
B+
Retailer 2
-
$5,371 USD
View
B+
Retailer 3
-
$5,423 USD
View
B+
Retailer 4
-
$5,524 USD
View
B+
Retailer 5
-
$5,585 USD
View
B+
Retailer 6
-
$5,660 USD
View
B+
Retailer 7
-
$5,666 USD
View
B+
Retailer 8
-
$5,917 USD
View
B
Retailer 9
-
$6,621 USD
View
B
Retailer 10
-
$6,640 USD
View
B
Retailer 11
-
$6,650 USD
View
B
Retailer 12
-
$7,421 USD
View
B
Retailer 13
-
$9,021 USD
View
Most Expensive
B
Wholesale Diamonds Direct
538592521 · Nov 6
$9,521 USD
View
13 more retailers have this diamond
Prices start from $5,236 USDSave up to $4,285 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
$5,236 USD