Marquise|Natural|GIA

1.00ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6565660710

Certificate GIA 6565660710

Diamond specifications and retailer prices

From $2,470 USD
HK$19,300 HKD
As of November 1, 2026
Save $3,310 USD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,780 USD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565660710. Listed at 12 retailers as of October 30, 2026, with prices from $2,470 to $5,780, a $3,310 spread on the same certified stone. NZ Jewellers lists it at $5,780. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565660710
Dimensions10.11 × 5.14 × 3.25 mm
L/W Ratio1.97
Culet sizeNone
Key to symbols
Cloud, Crystal, Cavity, Feather, Needle
Top View
10.11 mm5.14 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565660710
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.3%

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 1
Current: $5,780 USD|Low: $2,458 USD|High: $5,780 USD|Avg: $3,466 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$2,470 USD
Retailer 2$2,493 USD
Retailer 3$2,633 USD
Retailer 5$3,073 USD
Retailer 8$3,210 USD
Retailer 4$3,236 USD
Retailer 10$3,317 USD
Retailer 9$3,445 USD
Retailer 7$3,828 USD
Retailer 11$5,578 USD
NZ Jewellers$5,780 USD

6 data points across 11 retailers

12 retailers$2,470 USD to $5,780 USD

A
Cheapest Retailer
-
$2,470 USD
HK$19,300 HKD
A
Retailer 2
-
$2,493 USD
₹237,422 INR
View
B+
Retailer 3
-
$2,633 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,775 USD
A$4,270 AUD
View
B+
Retailer 5
-
$3,073 USD
View
B+
Retailer 6
-
$3,210 USD
View
B+
Retailer 7
-
$3,236 USD
£2,548 GBP
View
B+
Retailer 8
-
$3,317 USD
View
B
Retailer 9
-
$3,445 USD
View
B
Retailer 10
-
$3,828 USD
View
B
Retailer 11
-
$5,578 USD
£4,392 GBP
View
Most Expensive
B
NZ Jewellers
1c69537c-7e7d-4c62-b597-c9dff015eeb5 · Oct 30
$5,780 USD
View
11 more retailers have this diamond
Prices start from $2,470 USDSave up to $3,310 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
$2,470 USD