Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

GD • D/SI2 • GIA 2235145421

Certificate GIA 2235145421

Diamond specifications and retailer prices

From $2,125 SGD
As of November 6, 2026
Save $2,744 SGD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,870 SGD 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 $2,125 to $4,870, a $2,744 spread on the same certified stone. MOH London lists it at $4,870. 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: $4,870 SGD|Low: $2,092 SGD|High: $4,909 SGD|Avg: $2,824 SGD|+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$2,125 SGD
Retailer 10$2,215 SGD
Retailer 5$2,234 SGD
Retailer 7$2,317 SGD
Retailer 14$2,331 SGD
Retailer 19$2,352 SGD
Retailer 6$2,375 SGD
Retailer 13$2,498 SGD
Retailer 18$2,525 SGD
Retailer 16$2,703 SGD
Retailer 8$2,777 SGD
Retailer 3$2,938 SGD
Retailer 9$2,938 SGD
Retailer 12$3,009 SGD
Retailer 4$3,040 SGD
Retailer 17$3,210 SGD
Retailer 2$3,533 SGD
Retailer 11$4,002 SGD
MOH London$4,870 SGD

35 data points across 19 retailers

18 retailers$2,125 SGD to $4,870 SGD

B+
Cheapest Retailer
-
$2,125 SGD
A
Retailer 2
-
$2,215 SGD
View
B+
Retailer 3
-
$2,234 SGD
View
B+
Retailer 4
-
$2,317 SGD
View
Final sale: no returns
B+
Retailer 5
-
$2,331 SGD
View
B+
Retailer 6
-
$2,352 SGD
View
B+
Retailer 7
-
$2,375 SGD
View
Retailer 8
-
$2,525 SGD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,703 SGD
View
B+
Retailer 10
-
$2,777 SGD
View
B+
Retailer 11
-
$2,938 SGD
View
B+
Retailer 12
-
$2,938 SGD
View
B+
Retailer 13
-
$3,009 SGD
View
B+
Retailer 14
-
$3,040 SGD
View
B+
Retailer 15
-
$3,210 SGD
View
B+
Retailer 16
-
$3,533 SGD
View
B+
Retailer 17
-
$4,002 SGD
View
Most Expensive
B
MOH London
63C1E4875 · Nov 4
$4,870 SGD
£3,002 GBP
View
17 more retailers have this diamond
Prices start from $2,125 SGDSave up to $2,744 SGD

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
$2,125 SGD