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Marquise|Natural|GIA

1.20ct F VS1 Marquise Natural Diamond

VG • F/VS1 • GIA 1558604351

Certificate GIA 1558604351

Diamond specifications and retailer prices

From $7,147 USD
As of November 1, 2026
Save $1,311 USD (16%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $8,458 USD at Blue Nile · As of November 3, 2026
View at Blue Nile

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1558604351. Listed at 4 retailers as of November 1, 2026, with prices from $7,147 to $8,458, a $1,311 spread on the same certified stone. Blue Nile lists it at $8,458. 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
F
Color
VS1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1558604351
Dimensions10.36 × 5.51 × 3.58 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
10.36 mm5.51 mm1.20 ctF / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558604351
Side View
Table 62.0%Crown 36.4°Girdle: STK-THKPavilion 41°Culet: NoneDepth 65.0%

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 1
Current: $8,458 USD|Low: $7,147 USD|High: $9,040 USD|Avg: $7,808 USD|-6.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 4$7,147 USD
Retailer 2$7,351 USD
Retailer 3$7,540 USD
Blue Nile$8,458 USD

43 data points across 4 retailers

4 retailers$7,147 USD to $8,458 USD

B+
Cheapest Retailer
-
$7,147 USD
B+
Retailer 2
-
$7,351 USD
£5,788 GBP
View
B+
Retailer 3
-
$7,540 USD
View
Most Expensive
B+
Blue Nile
29538494 · Nov 3
$8,458 USD
View
3 more retailers have this diamond
Prices start from $7,147 USDSave up to $1,311 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
$7,147 USD