Marquise|Natural|GIA

1.20ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6542897393

Certificate GIA 6542897393

Diamond specifications and retailer prices

From $3,996 USD
As of November 6, 2026
Save $5,043 USD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,039 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 6542897393. Listed at 19 retailers as of November 5, 2026, with prices from $3,996 to $9,039, a $5,043 spread on the same certified stone. NZ Jewellers lists it at $9,039. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.57°
Pavilion angle40.33°
OriginNatural
Grading LabGIA
CertificateGIA 6542897393
Dimensions9.88 × 5.55 × 3.62 mm
L/W Ratio1.78
Top View
9.88 mm5.55 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542897393
Side View
Table 58.0%Crown 36.57°Girdle: Thick - Very ThickPavilion 40.33°Culet: NoneDepth 65.2%

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 6
Current: $9,039 USD|Low: $3,996 USD|High: $9,039 USD|Avg: $5,643 USD
NZ Jewellers
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 15$3,996 USD
Retailer 5$4,180 USD
Retailer 8$4,269 USD
Retailer 9$4,412 USD
Retailer 7$4,519 USD
Retailer 6$4,610 USD
Retailer 11$4,853 USD
Retailer 4$4,896 USD
Retailer 17$4,896 USD
Retailer 20$4,896 USD
Retailer 13$5,221 USD
Retailer 2$5,242 USD
Retailer 10$5,549 USD
Retailer 18$5,649 USD
Retailer 12$5,964 USD
Retailer 19$6,091 USD
Retailer 14$6,593 USD
Retailer 3$7,899 USD
Retailer 16$8,583 USD
NZ Jewellers$9,039 USD

20 data points across 20 retailers

19 retailers$3,996 USD to $9,039 USD

B+
Cheapest Retailer
-
$3,996 USD
Retailer 2
-
$4,180 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$4,269 USD
View
Retailer 4
-
$4,412 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$4,519 USD
View
Final sale: no returns
B
Retailer 6
-
$4,610 USD
View
B+
Retailer 7
-
$4,853 USD
View
B+
Retailer 8
-
$4,896 USD
View
Retailer 9
-
$4,896 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$4,896 USD
View
B+
Retailer 11
-
$5,221 USD
View
B+
Retailer 12
-
$5,242 USD
View
B
Retailer 13
-
$5,549 USD
View
B
Retailer 14
-
$5,649 USD
View
B
Retailer 15
-
$6,091 USD
View
B
Retailer 16
-
$6,593 USD
View
Retailer 17
-
$7,899 USD
View
Price last confirmed 9 days ago
B
Retailer 18
-
$8,583 USD
View
Most Expensive
B
NZ Jewellers
bfcf407f-f0da-4af0-9378-9ff0602b0a3e · Nov 5
$9,039 USD
View
18 more retailers have this diamond
Prices start from $3,996 USDSave up to $5,043 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
$3,996 USD