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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

GD • D/SI2 • GIA 2235145421

Certificate GIA 2235145421

Diamond specifications and retailer prices

From $2,377 AUD
As of November 6, 2026
Save $3,069 AUD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,446 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 2235145421. Listed at 18 retailers as of November 4, 2026, with prices from $2,377 to $5,446, a $3,069 spread on the same certified stone. MOH London lists it at $5,446. 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
D
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
Crown angle33°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 2235145421
Dimensions6.47 × 6.40 × 3.81 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.47 mm6.40 mm1.00 ctD / SI2
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2235145421
Side View
Table 60.0%Crown 33°Girdle: THN-VTKPavilion 40°Culet: NoneDepth 59.5%

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: $5,446 AUD|Low: $2,340 AUD|High: $5,490 AUD|Avg: $3,158 AUD|+1.1%
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
November 5, 2026
Retailer 15$2,377 AUD
Retailer 10$2,477 AUD
Retailer 5$2,498 AUD
Retailer 7$2,591 AUD
Retailer 14$2,607 AUD
Retailer 19$2,630 AUD
Retailer 6$2,656 AUD
Retailer 13$2,794 AUD
Retailer 18$2,824 AUD
Retailer 16$3,023 AUD
Retailer 8$3,106 AUD
Retailer 3$3,286 AUD
Retailer 9$3,286 AUD
Retailer 12$3,366 AUD
Retailer 4$3,400 AUD
Retailer 17$3,590 AUD
Retailer 2$3,951 AUD
Retailer 11$4,475 AUD
MOH London$5,446 AUD

35 data points across 19 retailers

18 retailers$2,377 AUD to $5,446 AUD

B+
Cheapest Retailer
-
$2,377 AUD
A
Retailer 2
-
$2,477 AUD
View
B+
Retailer 3
-
$2,498 AUD
View
B+
Retailer 4
-
$2,591 AUD
View
Final sale: no returns
B+
Retailer 5
-
$2,607 AUD
View
B+
Retailer 6
-
$2,630 AUD
View
B+
Retailer 7
-
$2,656 AUD
View
Retailer 8
-
$2,824 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,023 AUD
View
B+
Retailer 10
-
$3,106 AUD
View
B+
Retailer 11
-
$3,286 AUD
View
B+
Retailer 12
-
$3,286 AUD
View
B+
Retailer 13
-
$3,366 AUD
View
B+
Retailer 14
-
$3,400 AUD
View
B+
Retailer 15
-
$3,590 AUD
View
B+
Retailer 16
-
$3,951 AUD
View
B+
Retailer 17
-
$4,475 AUD
View
Most Expensive
B
MOH London
63C1E4875 · Nov 4
$5,446 AUD
£3,002 GBP
View
17 more retailers have this diamond
Prices start from $2,377 AUDSave up to $3,069 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
$2,377 AUD