Marquise|Natural|GIA

1.00ct G SI2 Marquise Natural Diamond

ID • G/SI2 • GIA 2566164747

Certificate GIA 2566164747

Diamond specifications and retailer prices

From $2,342 USD
As of November 6, 2026
Save $3,085 USD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,427 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 2566164747. Listed at 13 retailers as of November 5, 2026, with prices from $2,342 to $5,427, a $3,085 spread on the same certified stone. NZ Jewellers lists it at $5,427. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566164747
Dimensions10.10 × 5.18 × 3.24 mm
L/W Ratio1.95
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Indented Natural
Top View
10.10 mm5.18 mm1.00 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566164747
Side View
Table 60.0%CrownGirdle: THK-XTKPavilionCulet: 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 6
Current: $5,427 USD|Low: $2,324 USD|High: $5,481 USD|Avg: $3,354 USD|-0.8%
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
November 6, 2026
Retailer 8$2,342 USD
Retailer 2$2,344 USD
Retailer 9$2,730 USD
Retailer 3$2,875 USD
Retailer 4$2,929 USD
Retailer 6$3,063 USD
Retailer 11$3,115 USD
Retailer 10$3,235 USD
Retailer 13$3,263 USD
Retailer 12$3,343 USD
Retailer 5$3,594 USD
Retailer 7$5,195 USD
NZ Jewellers$5,427 USD

38 data points across 13 retailers

13 retailers$2,342 USD to $5,427 USD

A
Cheapest Retailer
-
$2,342 USD
A
Retailer 2
-
$2,344 USD
View
Retailer 3
-
$2,730 USD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$2,875 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,929 USD
View
B+
Retailer 6
-
$3,063 USD
View
B+
Retailer 7
-
$3,115 USD
View
B+
Retailer 8
-
$3,235 USD
View
Retailer 9
-
$3,263 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$3,343 USD
View
B+
Retailer 11
-
$3,594 USD
View
B
Retailer 12
-
$5,195 USD
View
Most Expensive
B
NZ Jewellers
9ad33332-9428-4058-956d-41d16507bde1 · Nov 5
$5,427 USD
View
12 more retailers have this diamond
Prices start from $2,342 USDSave up to $3,085 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
$2,342 USD