Marquise|Natural|GIA

1.00ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 6552638482

Certificate GIA 6552638482

Diamond specifications and retailer prices

From $1,689 USD
As of November 6, 2026
Save $3,006 USD (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,695 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 I 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 6552638482. Listed at 15 retailers as of November 5, 2026, with prices from $1,689 to $4,695, a $3,006 spread on the same certified stone. NZ Jewellers lists it at $4,695. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552638482
Dimensions9.55 × 4.89 × 3.38 mm
L/W Ratio1.95
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Indented Natural
Top View
9.55 mm4.89 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552638482
Side View
Table 63.0%CrownGirdle: XTKPavilionCulet: NoneDepth 69.1%

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 6
Current: $4,695 USD|Low: $1,689 USD|High: $4,695 USD|Avg: $2,561 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
November 6, 2026
Retailer 10$1,689 USD
Retailer 7$1,791 USD
Retailer 4$2,072 USD
Retailer 2$2,208 USD
Retailer 3$2,246 USD
Retailer 5$2,343 USD
Retailer 12$2,350 USD
Retailer 8$2,464 USD
Retailer 11$2,591 USD
Retailer 6$2,788 USD
Retailer 9$3,934 USD
NZ Jewellers$4,695 USD

28 data points across 12 retailers

15 retailers$1,689 USD to $4,695 USD

A
Cheapest Retailer
-
$1,689 USD
A
Retailer 2
-
$1,791 USD
View
B+
Retailer 3
-
$2,049 USD
View
B+
Retailer 4
-
$2,072 USD
View
Final sale: no returns
A
Retailer 5
-
$2,208 USD
View
A
Retailer 6
-
$2,246 USD
View
B+
Retailer 7
-
$2,270 USD
View
B+
Retailer 8
-
$2,343 USD
View
B+
Retailer 9
-
$2,350 USD
View
B+
Retailer 10
-
$2,455 USD
View
B+
Retailer 11
-
$2,464 USD
View
B+
Retailer 12
-
$2,591 USD
View
B+
Retailer 13
-
$2,788 USD
View
B
Retailer 14
-
$3,934 USD
View
Most Expensive
B
NZ Jewellers
d60821ea-313c-472b-a024-58fc69bba7d5 · Nov 5
$4,695 USD
View
14 more retailers have this diamond
Prices start from $1,689 USDSave up to $3,006 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
$1,689 USD