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Round|Natural|GIA

0.40ct D I1 Round Natural Diamond

VG • D/I1 • GIA 1497486249

Certificate GIA 1497486249

Diamond specifications and retailer prices

From £214 GBP
₹27,355 INR
As of October 30, 2026
Save £939 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,154 GBP at NZ Jewellers · As of October 26, 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 1497486249. Listed at 11 retailers as of October 26, 2026, with prices from £214 to £1,154, a £939 spread on the same certified stone. NZ Jewellers lists it at £1,154. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1497486249
Dimensions4.71 × 4.79 × 2.88 mm
L/W Ratio1.02
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
4.71 mm4.79 mm0.40 ctD / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1497486249
Side View
Table 63.0%Crown 34°Girdle: MED-THKPavilion 41.6°Culet: NoneDepth 60.6%

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: £1,154 GBP|Low: £214 GBP|High: £1,165 GBP|Avg: £403 GBP|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 4£214 GBP
Retailer 7£248 GBP
Retailer 10£304 GBP
Retailer 6£321 GBP
Retailer 11£328 GBP
Retailer 3£336 GBP
Retailer 2£344 GBP
Retailer 8£410 GBP
Retailer 9£414 GBP
Retailer 5£486 GBP
NZ Jewellers£1,154 GBP

44 data points across 11 retailers

11 retailers£214 GBP to £1,154 GBP

A
Cheapest Retailer
-
£214 GBP
₹27,355 INR
B+
Retailer 2
-
£248 GBP
HK$2,600 HKD
View
B+
Retailer 3
-
£304 GBP
$407 USD
View
B+
Retailer 4
-
£321 GBP
$430 USD
View
B+
Retailer 5
-
£328 GBP
$439 USD
View
B+
Retailer 6
-
£344 GBP
$461 USD
View
Retailer 7
-
£351 GBP
$470 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
£410 GBP
$550 USD
View
B
Retailer 9
-
£414 GBP
$555 USD
View
B
Retailer 10
-
£486 GBP
€620 EUR
View
Most Expensive
C
NZ Jewellers
e8ef392a-9536-4aaa-a706-1aa07b5c8f72 · Oct 26
£1,154 GBP
$1,546 USD
View
10 more retailers have this diamond
Prices start from £214 GBPSave up to £939 GBP

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
£214 GBP