Round|Natural|GIA

0.40ct D SI2 Round Natural Diamond

VG • D/SI2 • GIA 3515457102

Certificate GIA 3515457102

Diamond specifications and retailer prices

From £253 GBP
₹32,145 INR
As of October 29, 2026
Save £1,310 GBP (84%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: £1,564 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 3515457102. Listed at 32 retailers as of October 29, 2026, with prices from £253 to £1,564, a £1,310 spread on the same certified stone. Diamond Quarter lists it at £1,564. 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
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3515457102
Dimensions4.75 × 4.73 × 2.85 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
4.75 mm4.73 mm0.40 ctD / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515457102
Side View
Table 61.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £432 GBP|Low: £252 GBP|High: £1,006 GBP|Avg: £517 GBP|+5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3£253 GBP
Retailer 7£298 GBP
Retailer 6£357 GBP
Retailer 9£375 GBP
Retailer 10£385 GBP
Retailer 1£432 GBP
Retailer 2£445 GBP
Retailer 5£499 GBP
Retailer 4£810 GBP
Retailer 8£1,001 GBP

37 data points across 10 retailers

32 retailers£253 GBP to £1,564 GBP

A
Cheapest Retailer
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£253 GBP
₹32,145 INR
A
Retailer 2
-
£298 GBP
HK$3,100 HKD
View
A
Retailer 3
-
£348 GBP
$464 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
£348 GBP
$464 USD
View
Price last confirmed 42 days ago
A
Retailer 5
-
£348 GBP
$464 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
£348 GBP
$464 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
£348 GBP
$464 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
£348 GBP
$464 USD
View
A
Retailer 9
-
£357 GBP
$475 USD
View
A
Retailer 10
-
£365 GBP
SGD 656 SGD
View
A
Retailer 11
-
£375 GBP
$500 USD
View
Price last confirmed 17 days ago
A
Retailer 12
-
£375 GBP
$500 USD
View
A
Retailer 13
-
£375 GBP
$500 USD
View
Price last confirmed 13 days ago
A
Retailer 14
-
£375 GBP
$500 USD
View
Price last confirmed 14 days ago
A
Retailer 15
-
£375 GBP
$500 USD
View
A
Retailer 16
-
£402 GBP
$536 USD
View
Price last confirmed 21 days ago
A
Retailer 17
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£402 GBP
$536 USD
View
Price last confirmed 41 days ago
A
Retailer 18
-
£402 GBP
$536 USD
View
Price last confirmed 9 days ago
A
Retailer 19
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£402 GBP
$536 USD
View
Price last confirmed 20 days ago
A
Retailer 20
-
£402 GBP
$536 USD
View
B+
Retailer 21
-
£432 GBP
View
B+
Retailer 22
-
£445 GBP
$592 USD
View
B+
Retailer 23
-
£447 GBP
$596 USD
View
B+
Retailer 24
-
£499 GBP
€633 EUR
View
B
Retailer 25
-
£810 GBP
View
B
Retailer 26
-
£1,001 GBP
View
B
Retailer 27
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£1,337 GBP
$1,780 USD
View
Price last confirmed 40 days ago
B
Retailer 28
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£1,337 GBP
$1,780 USD
View
Price last confirmed 26 days ago
B
Retailer 29
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£1,337 GBP
$1,780 USD
View
Price last confirmed 9 days ago
B
Retailer 30
-
£1,337 GBP
$1,780 USD
View
Price last confirmed 21 days ago
B
Retailer 31
-
£1,337 GBP
$1,780 USD
View
Most Expensive
B
Diamond Quarter
0.4SI2D35020CDBN · Oct 29
£1,564 GBP
View
31 more retailers have this diamond
Prices start from £253 GBPSave up to £1,310 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
£253 GBP