Marquise|Natural|GIA

1.20ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 6562677258

Certificate GIA 6562677258

Diamond specifications and retailer prices

From $5,127 USD
SGD 6,928 SGD
As of November 2, 2026
Save $3,912 USD (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,293 USD at Wholesale Diamonds Direct · As of October 27, 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 F 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 6562677258. Listed at 16 retailers as of November 2, 2026, with a 76% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.75°
Pavilion angle41.96°
OriginNatural
Grading LabGIA
CertificateGIA 6562677258
Dimensions10.65 × 5.51 × 3.51 mm
L/W Ratio1.93
Culet sizeNone
Top View
10.65 mm5.51 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562677258
Side View
Table 60.0%Crown 37.75°Girdle: VTN-THKPavilion 41.96°Culet: NDepth 63.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $7,266 USD|Low: $5,127 USD|High: $9,293 USD|Avg: $6,553 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
Retailer 14
Retailer 15
Wholesale Diamonds Direct
November 3, 2026
Retailer 6$5,127 USD
Retailer 2$5,268 USD
Retailer 7$5,304 USD
Retailer 8$5,358 USD
Retailer 11$5,424 USD
Retailer 12$5,510 USD
Retailer 15$5,548 USD
Retailer 9$5,852 USD
Retailer 4$6,180 USD
Retailer 5$6,494 USD
Retailer 13$6,518 USD
Retailer 10$6,530 USD
Retailer 1$7,266 USD
Retailer 14$8,834 USD
Retailer 3$9,039 USD
Wholesale Diamonds Direct$9,293 USD

13 data points across 16 retailers

16 retailers$5,127 USD to $9,039 USD

B+
Cheapest Retailer
-
$5,127 USD
SGD 6,928 SGD
B+
Retailer 2
-
$5,268 USD
View
B+
Retailer 3
-
$5,304 USD
View
B+
Retailer 4
-
$5,358 USD
SGD 7,240 SGD
View
B
Retailer 5
-
$5,424 USD
View
B
Retailer 6
-
$5,510 USD
View
B
Retailer 7
-
$5,548 USD
View
B
Retailer 8
-
$5,852 USD
£4,608 GBP
View
B
Retailer 9
-
$6,180 USD
View
B
Retailer 10
-
$6,494 USD
View
B
Retailer 11
-
$6,518 USD
View
B
Retailer 12
-
$6,530 USD
€6,219 EUR
View
B
Retailer 13
-
$7,266 USD
View
B
Retailer 14
-
$8,834 USD
View
B
Retailer 15
-
$9,039 USD
View
Most Expensive
Wholesale Diamonds Direct
600306054 · Oct 27
$9,293 USD
View
Price last confirmed 7 days ago
15 more retailers have this diamond
Prices start from $5,127 USDSave up to $3,912 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
$5,127 USD