Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

VG • G/SI1 • GIA 6551498300

Certificate GIA 6551498300

Diamond specifications and retailer prices

From $2,888 AUD
As of November 5, 2026
Save $1,754 AUD (38%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $12,857 AUD at MOH London · As of October 21, 2026
View at MOH London

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6551498300. Listed at 27 retailers as of November 5, 2026, with a 61% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551498300
Dimensions6.25 × 6.19 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.25 mm6.19 mm1.00 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551498300
Side View
Table 60.0%Crown 36°Girdle: STK-THKPavilion 41.6°Culet: NDepth 64.5%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $12,857 AUD|Low: $2,791 AUD|High: $12,857 AUD|Avg: $4,383 AUD|+87.1%
MOH London
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 20$2,888 AUD
Retailer 9$3,010 AUD
Retailer 4$3,107 AUD
Retailer 16$3,174 AUD
Retailer 7$3,206 AUD
Retailer 17$3,346 AUD
Retailer 14$3,428 AUD
Retailer 12$3,527 AUD
Retailer 8$3,568 AUD
Retailer 2$3,631 AUD
Retailer 11$3,876 AUD
Retailer 5$3,957 AUD
Retailer 6$3,957 AUD
Retailer 15$3,993 AUD
Retailer 13$4,086 AUD
Retailer 10$4,341 AUD
Retailer 19$4,405 AUD
Retailer 18$4,633 AUD
Retailer 3$4,643 AUD
MOH London$12,857 AUD

26 data points across 20 retailers

27 retailers$2,888 AUD to $4,643 AUD

A
Cheapest Retailer
-
$2,888 AUD
Retailer 2
-
$3,010 AUD
View
Price last confirmed 26 days ago
A
Retailer 3
-
$3,107 AUD
View
A
Retailer 4
-
$3,174 AUD
View
Final sale: no returns
A
Retailer 5
-
$3,206 AUD
View
B+
Retailer 6
-
$3,346 AUD
View
A
Retailer 7
-
$3,428 AUD
View
Retailer 8
-
$3,527 AUD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
$3,631 AUD
View
B+
Retailer 10
-
$3,758 AUD
View
Retailer 11
-
$3,876 AUD
View
Price last confirmed 25 days ago
Retailer 12
-
$3,876 AUD
View
Price last confirmed 39 days ago
Retailer 13
-
$3,876 AUD
View
Price last confirmed 28 days ago
B+
Retailer 14
-
$3,957 AUD
View
B+
Retailer 15
-
$3,957 AUD
View
B+
Retailer 16
-
$3,993 AUD
View
Retailer 17
-
$4,014 AUD
View
Price last confirmed 26 days ago
Retailer 18
-
$4,024 AUD
View
Price last confirmed 38 days ago
B+
Retailer 19
-
$4,086 AUD
View
Retailer 20
-
$4,341 AUD
View
Price last confirmed 30 days ago
B+
Retailer 21
-
$4,405 AUD
View
Retailer 22
-
$4,471 AUD
View
Price last confirmed 38 days ago
B+
Retailer 23
-
$4,633 AUD
View
B+
Retailer 24
-
$4,643 AUD
View
Retailer 25
-
$8,102 AUD
View
Price last confirmed 40 days ago
Retailer 26
-
$8,102 AUD
View
Price last confirmed 34 days ago
Most Expensive
MOH London
28CA7764F · Oct 21
$12,857 AUD
£7,087 GBP
View
Price last confirmed 16 days ago
26 more retailers have this diamond
Prices start from $2,888 AUDSave up to $1,754 AUD

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 Round
$2,888 AUD