CaratHunter
Plans
Round|Natural|GIA

0.40ct J I1 Round Natural Diamond

EX • J/I1 • GIA 6422874640

Certificate GIA 6422874640

Diamond specifications and retailer prices

From $250 SGD
₹18,617 INR
As of October 31, 2026
Save $1,369 SGD (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,618 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 J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6422874640. Listed at 9 retailers as of October 30, 2026, with prices from $250 to $1,618, a $1,369 spread on the same certified stone. NZ Jewellers lists it at $1,618. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6422874640
Dimensions4.68 × 4.72 × 2.95 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.68 mm4.72 mm0.40 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6422874640
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 31
Current: $1,618 SGD|Low: $249 SGD|High: $1,618 SGD|Avg: $571 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2$250 SGD
Retailer 7$357 SGD
Retailer 5$377 SGD
Retailer 9$385 SGD
Retailer 4$399 SGD
Retailer 8$481 SGD
Retailer 6$557 SGD
Retailer 3$687 SGD
NZ Jewellers$1,618 SGD

44 data points across 9 retailers

9 retailers$250 SGD to $1,618 SGD

A
Cheapest Retailer
-
$250 SGD
₹18,617 INR
B+
Retailer 2
-
$311 SGD
HK$1,900 HKD
View
B+
Retailer 3
-
$357 SGD
$279 USD
View
B+
Retailer 4
-
$385 SGD
$301 USD
View
B+
Retailer 5
-
$399 SGD
$312 USD
View
B+
Retailer 6
-
$481 SGD
$376 USD
View
B
Retailer 7
-
$557 SGD
$436 USD
View
B
Retailer 8
-
$687 SGD
€512 EUR
View
Most Expensive
C
NZ Jewellers
c5db5f0c-dfb3-47be-94c7-3925bf208e32 · Oct 30
$1,618 SGD
$1,266 USD
View
8 more retailers have this diamond
Prices start from $250 SGDSave up to $1,369 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
$250 SGD