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Marquise|Natural|GIA

1.00ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 2566212549

Certificate GIA 2566212549

Diamond specifications and retailer prices

From $1,234 USD
As of November 6, 2026
Save $2,811 USD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,045 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566212549. Listed at 15 retailers as of November 5, 2026, with prices from $1,234 to $4,045, a $2,811 spread on the same certified stone. NZ Jewellers lists it at $4,045. 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
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2566212549
Dimensions11.25 × 5.13 × 2.99 mm
L/W Ratio2.19
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cavity, Needle
Top View
11.25 mm5.13 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2566212549
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NDepth 58.3%

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 6
Current: $4,045 USD|Low: $1,234 USD|High: $4,099 USD|Avg: $1,997 USD|-1.3%
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
November 6, 2026
Retailer 2$1,234 USD
Retailer 4$1,537 USD
Retailer 3$1,659 USD
Retailer 14$1,659 USD
Retailer 8$1,696 USD
Retailer 5$1,703 USD
Retailer 15$1,735 USD
Retailer 11$1,755 USD
Retailer 6$1,795 USD
Retailer 10$1,840 USD
Retailer 13$1,867 USD
Retailer 7$1,914 USD
Retailer 9$2,253 USD
Retailer 12$2,905 USD
NZ Jewellers$4,045 USD

24 data points across 15 retailers

15 retailers$1,234 USD to $4,045 USD

A
Cheapest Retailer
-
$1,234 USD
A
Retailer 2
-
$1,537 USD
View
Retailer 3
-
$1,659 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$1,659 USD
View
A
Retailer 5
-
$1,696 USD
View
A
Retailer 6
-
$1,703 USD
View
B+
Retailer 7
-
$1,735 USD
View
A
Retailer 8
-
$1,755 USD
View
A
Retailer 9
-
$1,795 USD
View
B+
Retailer 10
-
$1,840 USD
View
B+
Retailer 11
-
$1,867 USD
View
B+
Retailer 12
-
$1,914 USD
View
B+
Retailer 13
-
$2,253 USD
View
B
Retailer 14
-
$2,905 USD
View
Most Expensive
B
NZ Jewellers
8d72a1a1-e430-49cc-912d-d0342c4139db · Nov 5
$4,045 USD
View
14 more retailers have this diamond
Prices start from $1,234 USDSave up to $2,811 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
$1,234 USD