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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6505560434

Certificate GIA 6505560434

Diamond specifications and retailer prices

From $1,739 USD
Save $3,004 USD (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,743 USD at NZ Jewellers
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505560434. Listed at 17 retailers, with prices from $1,739 to $4,743 at NZ Jewellers, a $3,004 spread on the same certified stone. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6505560434
Dimensions6.37 × 6.33 × 4.02 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
6.37 mm6.33 mm1.00 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6505560434
Side View
Table 57.0%Crown 34°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $4,426 USD|Low: $1,739 USD|High: $4,439 USD|Avg: $2,897 USD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 1, 2026
Retailer 5$1,739 USD
Retailer 6$1,857 USD
Retailer 4$2,112 USD
Retailer 10$2,115 USD
Retailer 8$2,426 USD
Retailer 2$2,548 USD
Retailer 3$2,654 USD
Retailer 7$2,779 USD
Retailer 9$4,017 USD
Retailer 1$4,426 USD

28 data points across 10 retailers

17 retailers$1,739 USD to $4,743 USD

A
Cheapest Retailer
-
$1,739 USD
A
Retailer 2
-
$1,857 USD
View
A
Retailer 3
-
$2,055 USD
View
A
Retailer 4
-
$2,055 USD
View
A
Retailer 5
-
$2,112 USD
£1,663 GBP
View
A
Retailer 6
-
$2,115 USD
View
A
Retailer 7
-
$2,150 USD
View
A
Retailer 8
-
$2,300 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
$2,300 USD
View
A
Retailer 10
-
$2,370 USD
View
Price last confirmed 11 days ago
A
Retailer 11
-
$2,372 USD
View
A
Retailer 12
-
$2,431 USD
£1,914 GBP
View
B+
Retailer 13
-
$2,654 USD
£2,090 GBP
View
B+
Retailer 14
-
$2,779 USD
€2,647 EUR
View
B
Retailer 15
-
$4,017 USD
£3,163 GBP
View
B
Retailer 16
-
$4,426 USD
£3,485 GBP
View
Most Expensive
B
NZ Jewellers
cef6ec11-650b-4699-970d-aa2148e99cc0 · Sep 28
$4,743 USD
View
16 more retailers have this diamond
Prices start from $1,739 USDSave up to $3,004 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.

A
1.00ct Round
$1,739 USD