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Round|Natural|GIA

0.40ct D SI2 Round Natural Diamond

VG • D/SI2 • GIA 6565479923

Certificate GIA 6565479923

Diamond specifications and retailer prices

From £221 GBP
₹28,013 INR
As of October 25, 2026
Save £948 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,169 GBP at NZ Jewellers · As of October 23, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6565479923. Listed at 17 retailers as of October 23, 2026, with prices from £221 to £1,169, a £948 spread on the same certified stone. NZ Jewellers lists it at £1,169. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6565479923
Dimensions4.62 × 4.68 × 2.90 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
4.62 mm4.68 mm0.40 ctD / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6565479923
Side View
Table 58.0%Crown 35.5°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 62.3%

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 25
Current: £1,169 GBP|Low: £220 GBP|High: £1,195 GBP|Avg: £452 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
Retailer 15
Retailer 16
October 28, 2026
Retailer 11£221 GBP
Retailer 15£260 GBP
Retailer 13£278 GBP
Retailer 14£305 GBP
Retailer 3£312 GBP
Retailer 6£323 GBP
Retailer 8£329 GBP
Retailer 16£336 GBP
Retailer 7£352 GBP
Retailer 4£416 GBP
Retailer 5£453 GBP
Retailer 2£489 GBP
Retailer 9£498 GBP
Retailer 10£628 GBP
Retailer 12£706 GBP
NZ Jewellers£1,169 GBP

25 data points across 16 retailers

17 retailers£221 GBP to £1,169 GBP

A
Cheapest Retailer
-
£221 GBP
₹28,013 INR
A
Retailer 2
-
£260 GBP
HK$2,700 HKD
View
A
Retailer 3
-
£278 GBP
$370 USD
View
A
Retailer 4
-
£305 GBP
$406 USD
View
Retailer 5
-
£312 GBP
$416 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£322 GBP
A$660 AUD
View
A
Retailer 7
-
£323 GBP
SGD 581 SGD
View
A
Retailer 8
-
£329 GBP
$438 USD
View
A
Retailer 9
-
£336 GBP
SGD 605 SGD
View
A
Retailer 10
-
£352 GBP
$469 USD
View
A
Retailer 11
-
£416 GBP
$554 USD
View
B+
Retailer 12
-
£453 GBP
$603 USD
View
B+
Retailer 13
-
£489 GBP
View
B+
Retailer 14
-
£498 GBP
€631 EUR
View
B+
Retailer 15
-
£628 GBP
View
B
Retailer 16
-
£706 GBP
View
Most Expensive
B
NZ Jewellers
0369023a-30f3-4f43-945e-4cd39a33f4ec · Oct 23
£1,169 GBP
$1,557 USD
View
16 more retailers have this diamond
Prices start from £221 GBPSave up to £948 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
£221 GBP