Marquise|Natural|GIA

1.20ct D IF Marquise Natural Diamond

EX • D/IF • GIA 1555505756

Certificate GIA 1555505756

Diamond specifications and retailer prices

From $9,420 USD
As of November 4, 2026
Save $7,157 USD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,577 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555505756. Listed at 12 retailers as of November 4, 2026, with prices from $9,420 to $16,577, a $7,157 spread on the same certified stone. MOH London lists it at $16,577. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.1°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555505756
Dimensions11.74 × 5.54 × 3.36 mm
L/W Ratio2.12
Top View
11.74 mm5.54 mm1.20 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555505756
Side View
Table 61.0%Crown 33.1°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $16,577 USD|Low: $9,420 USD|High: $17,257 USD|Avg: $12,477 USD|-3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 11$9,420 USD
Retailer 10$10,429 USD
Retailer 13$10,763 USD
Retailer 3$10,900 USD
Retailer 2$11,389 USD
Retailer 8$11,563 USD
Retailer 5$12,051 USD
Retailer 4$12,677 USD
Retailer 12$13,033 USD
Retailer 9$13,316 USD
Retailer 6$13,406 USD
Retailer 7$15,635 USD
MOH London$16,577 USD

44 data points across 13 retailers

12 retailers$9,420 USD to $16,577 USD

A
Cheapest Retailer
-
$9,420 USD
Retailer 2
-
$10,429 USD
View
Price last confirmed 24 days ago
B+
Retailer 3
-
$10,763 USD
View
B+
Retailer 4
-
$10,900 USD
View
B+
Retailer 5
-
$11,389 USD
View
Retailer 6
-
$11,563 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$12,677 USD
View
B+
Retailer 8
-
$13,033 USD
View
B+
Retailer 9
-
$13,316 USD
View
B+
Retailer 10
-
$13,406 USD
View
B
Retailer 11
-
$15,635 USD
View
Most Expensive
B
MOH London
DECEFEC33 · Nov 4
$16,577 USD
£13,053 GBP
View
11 more retailers have this diamond
Prices start from $9,420 USDSave up to $7,157 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.

A
1.20ct Marquise
$9,420 USD