Round|Natural|GIA

0.40ct D I1 Round Natural Diamond

VG • D/I1 • GIA 1457569840

Certificate GIA 1457569840

Diamond specifications and retailer prices

From $409 SGD
HK$2,500 HKD
As of October 30, 2026
Save $1,422 SGD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,831 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.4ct natural round diamond

This 0.4ct natural round sits in the sub-half-carat band, graded D colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 1457569840. Listed at 8 retailers as of October 30, 2026, with prices from $409 to $1,831, a $1,422 spread on the same certified stone. NZ Jewellers lists it at $1,831. 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

0.40
Carat
D
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle37°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1457569840
Dimensions4.59 × 4.63 × 2.97 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Key to symbols
Cloud, Feather
Top View
4.59 mm4.63 mm0.40 ctD / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1457569840
Side View
Table 57.0%Crown 37°Girdle: MED-THKPavilion 41°Culet: NoneDepth 64.5%

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: Oct 30
Current: $784 SGD|Low: $409 SGD|High: $784 SGD|Avg: $631 SGD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 4$409 SGD
Retailer 2$519 SGD
Retailer 3$665 SGD
Retailer 5$712 SGD
Retailer 6$721 SGD
Retailer 1$784 SGD

20 data points across 6 retailers

8 retailers$409 SGD to $1,831 SGD

A
Cheapest Retailer
-
$409 SGD
HK$2,500 HKD
B+
Retailer 2
-
$478 SGD
$374 USD
View
B+
Retailer 3
-
$514 SGD
$402 USD
View
B+
Retailer 4
-
$533 SGD
$417 USD
View
B
Retailer 5
-
$643 SGD
$503 USD
View
B
Retailer 6
-
$665 SGD
$520 USD
View
B
Retailer 7
-
$784 SGD
€584 EUR
View
Most Expensive
C
NZ Jewellers
3b633c78-52ef-4475-82fb-ee4dff07d4f0 · Oct 30
$1,831 SGD
$1,432 USD
View
7 more retailers have this diamond
Prices start from $409 SGDSave up to $1,422 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
0.40ct Round
$409 SGD