Round|Natural|GIA

0.40ct D I1 Round Natural Diamond

EX • D/I1 • GIA 2506709249

Certificate GIA 2506709249

Diamond specifications and retailer prices

From $245 USD
₹23,352 INR
As of October 30, 2026
Save $1,071 USD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,316 USD 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 top-tier cut grade and certified by GIA 2506709249. Listed at 9 retailers as of October 30, 2026, with prices from $245 to $1,316, a $1,071 spread on the same certified stone. NZ Jewellers lists it at $1,316. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
D
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2506709249
Dimensions4.79 × 4.80 × 2.92 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
4.79 mm4.80 mm0.40 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2506709249
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.8%

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 30
Current: $1,316 USD|Low: $244 USD|High: $1,316 USD|Avg: $566 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2$245 USD
Retailer 6$343 USD
Retailer 4$370 USD
Retailer 5$490 USD
Retailer 3$638 USD
NZ Jewellers$1,316 USD

46 data points across 6 retailers

9 retailers$245 USD to $1,316 USD

A
Cheapest Retailer
-
$245 USD
₹23,352 INR
A
Retailer 2
-
$294 USD
HK$2,300 HKD
View
A
Retailer 3
-
$343 USD
View
B+
Retailer 4
-
$370 USD
View
B+
Retailer 5
-
$383 USD
View
B+
Retailer 6
-
$462 USD
View
B+
Retailer 7
-
$490 USD
View
B
Retailer 8
-
$638 USD
€608 EUR
View
Most Expensive
B
NZ Jewellers
7684139b-5114-4271-a47c-c8f327972272 · Oct 30
$1,316 USD
View
8 more retailers have this diamond
Prices start from $245 USDSave up to $1,071 USD

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
$245 USD