Marquise|Natural|GIA

1.20ct G SI1 Marquise Natural Diamond

ID • G/SI1 • GIA 6545836244

Certificate GIA 6545836244

Diamond specifications and retailer prices

From $5,404 USD
As of November 4, 2026
Save $4,311 USD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,715 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545836244. Listed at 12 retailers as of November 4, 2026, with prices from $5,404 to $9,715, a $4,311 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,715. 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
G
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.6°
Pavilion angle38.4°
OriginNatural
Grading LabGIA
CertificateGIA 6545836244
Dimensions10.17 × 5.57 × 3.44 mm
L/W Ratio1.83
Top View
10.17 mm5.57 mm1.20 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545836244
Side View
Table 59.0%Crown 38.6°Girdle: THK-VTKPavilion 38.4°Culet: NoneDepth 61.8%

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 4
Current: $6,883 USD|Low: $5,404 USD|High: $8,404 USD|Avg: $6,571 USD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$5,404 USD
Retailer 6$5,770 USD
Retailer 7$6,453 USD
Retailer 2$6,496 USD
Retailer 4$6,559 USD
Retailer 1$6,883 USD
Retailer 3$8,346 USD

46 data points across 7 retailers

12 retailers$5,404 USD to $9,715 USD

B+
Cheapest Retailer
-
$5,404 USD
B
Retailer 2
-
$5,770 USD
View
B
Retailer 3
-
$6,453 USD
View
B
Retailer 4
-
$6,496 USD
View
B
Retailer 5
-
$6,559 USD
View
B
Retailer 6
-
$6,883 USD
View
B
Retailer 7
-
$6,900 USD
View
B
Retailer 8
-
$6,900 USD
View
B
Retailer 9
-
$7,001 USD
View
B
Retailer 10
-
$7,130 USD
View
B
Retailer 11
-
$8,346 USD
View
Most Expensive
B
Wholesale Diamonds Direct
235881660 · Nov 6
$9,715 USD
View
11 more retailers have this diamond
Prices start from $5,404 USDSave up to $4,311 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
$5,404 USD