Round|Natural|GIA

0.40ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 7433611111

Certificate GIA 7433611111

Diamond specifications and retailer prices

From £178 GBP
$239 USD
As of October 28, 2026
Save £713 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £892 GBP 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 7433611111. Listed at 19 retailers as of October 28, 2026, with prices from £178 to £892, a £713 spread on the same certified stone. NZ Jewellers lists it at £892. 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
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7433611111
Dimensions4.66 × 4.55 × 2.96 mm
L/W Ratio1.02
Top View
4.66 mm4.55 mm0.40 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 7433611111
Side View
Table 58.0%Crown 36.5°Girdle: THN-THKPavilion 41°Culet: NoneDepth 64.4%

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 28
Current: £892 GBP|Low: £178 GBP|High: £912 GBP|Avg: £328 GBP|-2.2%
NZ Jewellers
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
October 30, 2026
Retailer 14£178 GBP
Retailer 9£187 GBP
Retailer 6£212 GBP
Retailer 11£238 GBP
Retailer 4£240 GBP
Retailer 3£246 GBP
Retailer 10£246 GBP
Retailer 12£264 GBP
Retailer 13£271 GBP
Retailer 2£305 GBP
Retailer 5£323 GBP
Retailer 7£383 GBP
Retailer 8£457 GBP
NZ Jewellers£892 GBP

36 data points across 14 retailers

19 retailers£178 GBP to £892 GBP

A
Cheapest Retailer
-
£178 GBP
$239 USD
Retailer 2
-
£187 GBP
$250 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
£192 GBP
$257 USD
View
A
Retailer 4
-
£199 GBP
$266 USD
View
B+
Retailer 5
-
£238 GBP
$319 USD
View
B+
Retailer 6
-
£240 GBP
$321 USD
View
B+
Retailer 7
-
£240 GBP
$322 USD
View
B+
Retailer 8
-
£246 GBP
$330 USD
View
B+
Retailer 9
-
£246 GBP
$330 USD
View
B+
Retailer 10
-
£261 GBP
$350 USD
View
B+
Retailer 11
-
£264 GBP
$354 USD
View
B+
Retailer 12
-
£271 GBP
$363 USD
View
B+
Retailer 13
-
£305 GBP
ZAR 6,605 ZAR
View
B+
Retailer 14
-
£306 GBP
€390 EUR
View
Retailer 15
-
£323 GBP
A$665 AUD
View
Price last confirmed 27 days ago
B
Retailer 16
-
£383 GBP
€489 EUR
View
B
Retailer 17
-
£457 GBP
View
B
Retailer 18
-
£458 GBP
View
Most Expensive
C
NZ Jewellers
ad6dc815-cb58-4eaf-bef3-f61e8a6d2633 · Oct 30
£892 GBP
$1,195 USD
View
18 more retailers have this diamond
Prices start from £178 GBPSave up to £713 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
£178 GBP