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Marquise|Natural|GIA

1.20ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 7551514553

Certificate GIA 7551514553

Diamond specifications and retailer prices

From $2,849 USD
As of November 5, 2026
Save $3,268 USD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,117 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551514553. Listed at 14 retailers as of November 5, 2026, with prices from $2,849 to $6,117, a $3,268 spread on the same certified stone. NZ Jewellers lists it at $6,117. 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
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551514553
Dimensions10.58 × 5.54 × 3.42 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Top View
10.58 mm5.54 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7551514553
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 61.7%

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 5
Current: $3,406 USD|Low: $2,849 USD|High: $5,942 USD|Avg: $3,738 USD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$2,849 USD
Retailer 6$2,850 USD
Retailer 8$2,987 USD
Retailer 9$3,303 USD
Retailer 1$3,406 USD
Retailer 3$3,611 USD
Retailer 2$3,848 USD
Retailer 4$4,285 USD
Retailer 5$5,855 USD

41 data points across 9 retailers

14 retailers$2,849 USD to $6,117 USD

B+
Cheapest Retailer
-
$2,849 USD
B+
Retailer 2
-
$2,850 USD
View
B+
Retailer 3
-
$2,987 USD
View
B
Retailer 4
-
$3,181 USD
View
Retailer 5
-
$3,181 USD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$3,303 USD
View
B+
Retailer 7
-
$3,406 USD
View
B
Retailer 8
-
$3,611 USD
View
B
Retailer 9
-
$3,670 USD
View
B
Retailer 10
-
$3,848 USD
View
Retailer 11
-
$3,978 USD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$4,285 USD
View
B
Retailer 13
-
$5,855 USD
View
Most Expensive
C
NZ Jewellers
e008bd19-801b-4e79-8965-be14f37f4664 · Nov 5
$6,117 USD
View
13 more retailers have this diamond
Prices start from $2,849 USDSave up to $3,268 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
$2,849 USD