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Marquise|Natural|GIA

1.00ct G SI2 Marquise Natural Diamond

ID • G/SI2 • GIA 2556673343

Certificate GIA 2556673343

Diamond specifications and retailer prices

From $2,494 USD
As of November 5, 2026
Save $3,487 USD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,981 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556673343. Listed at 15 retailers as of November 5, 2026, with prices from $2,494 to $5,981, a $3,487 spread on the same certified stone. NZ Jewellers lists it at $5,981. 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

1.00
Carat
G
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556673343
Dimensions9.59 × 5.24 × 3.36 mm
L/W Ratio1.83
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Natural
Top View
9.59 mm5.24 mm1.00 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556673343
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.1%

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 5
Current: $5,981 USD|Low: $2,494 USD|High: $5,981 USD|Avg: $3,632 USD|+1.0%
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
November 6, 2026
Retailer 7$2,494 USD
Retailer 5$2,668 USD
Retailer 15$2,705 USD
Retailer 10$3,110 USD
Retailer 13$3,230 USD
Retailer 6$3,240 USD
Retailer 11$3,349 USD
Retailer 2$3,376 USD
Retailer 14$3,530 USD
Retailer 16$3,530 USD
Retailer 3$3,589 USD
Retailer 4$3,650 USD
Retailer 8$3,713 USD
Retailer 9$3,997 USD
Retailer 12$5,726 USD
NZ Jewellers$5,981 USD

12 data points across 16 retailers

15 retailers$2,494 USD to $5,981 USD

A
Cheapest Retailer
-
$2,494 USD
A
Retailer 2
-
$2,668 USD
View
A
Retailer 3
-
$2,705 USD
View
B+
Retailer 4
-
$3,110 USD
View
B+
Retailer 5
-
$3,230 USD
View
B+
Retailer 6
-
$3,240 USD
View
B+
Retailer 7
-
$3,349 USD
View
B+
Retailer 8
-
$3,376 USD
View
B+
Retailer 9
-
$3,530 USD
View
B+
Retailer 10
-
$3,530 USD
View
B+
Retailer 11
-
$3,589 USD
View
B+
Retailer 12
-
$3,650 USD
View
B
Retailer 13
-
$3,997 USD
View
B
Retailer 14
-
$5,726 USD
View
Most Expensive
B
NZ Jewellers
3599e241-b50d-4bce-b33a-e540ff3e00e3 · Nov 5
$5,981 USD
View
14 more retailers have this diamond
Prices start from $2,494 USDSave up to $3,487 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
1.00ct Marquise
$2,494 USD