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Marquise|Natural|GIA

1.20ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 6565226854

Certificate GIA 6565226854

Diamond specifications and retailer prices

From $3,925 USD
As of November 4, 2026
Save $4,708 USD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,633 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565226854. Listed at 20 retailers as of November 4, 2026, with prices from $3,925 to $8,633, a $4,708 spread on the same certified stone. NZ Jewellers lists it at $8,633. 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
E
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565226854
Dimensions10.38 × 5.47 × 3.43 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Needle, Natural
Top View
10.38 mm5.47 mm1.20 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565226854
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,633 USD|Low: $3,925 USD|High: $8,633 USD|Avg: $5,202 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
November 6, 2026
Retailer 19$3,925 USD
Retailer 11$4,120 USD
Retailer 4$4,181 USD
Retailer 15$4,316 USD
Retailer 14$4,355 USD
Retailer 10$4,463 USD
Retailer 5$4,641 USD
Retailer 8$4,656 USD
Retailer 6$4,676 USD
Retailer 7$4,676 USD
Retailer 16$4,676 USD
Retailer 13$5,071 USD
Retailer 12$5,075 USD
Retailer 17$5,182 USD
Retailer 9$5,395 USD
Retailer 3$5,815 USD
Retailer 2$6,740 USD
Retailer 18$8,199 USD
NZ Jewellers$8,633 USD

20 data points across 19 retailers

20 retailers$3,925 USD to $8,633 USD

A
Cheapest Retailer
-
$3,925 USD
A
Retailer 2
-
$4,120 USD
View
A
Retailer 3
-
$4,181 USD
View
B+
Retailer 4
-
$4,316 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,355 USD
View
B+
Retailer 6
-
$4,463 USD
View
B+
Retailer 7
-
$4,641 USD
View
B+
Retailer 8
-
$4,656 USD
View
B+
Retailer 9
-
$4,676 USD
View
B+
Retailer 10
-
$4,676 USD
View
Retailer 11
-
$4,676 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$5,071 USD
View
B+
Retailer 13
-
$5,075 USD
View
B+
Retailer 14
-
$5,182 USD
View
B+
Retailer 15
-
$5,395 USD
View
Retailer 16
-
$5,770 USD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
$5,815 USD
View
B
Retailer 18
-
$6,740 USD
View
B
Retailer 19
-
$8,199 USD
View
Most Expensive
B
NZ Jewellers
2404b270-8077-4937-9768-4da30964c5e7 · Nov 5
$8,633 USD
View
19 more retailers have this diamond
Prices start from $3,925 USDSave up to $4,708 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.

A
1.20ct Marquise
$3,925 USD