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Heart|Natural|GIA

0.50ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 1485823360

Certificate GIA 1485823360

Diamond specifications and retailer prices

From £399 GBP
$535 USD
As of October 31, 2026
Save £989 GBP (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,389 GBP at Queensmith · As of October 28, 2026
View at Queensmith

About this 0.5ct natural heart diamond

This 0.5ct natural heart sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1485823360. Listed at 14 retailers as of October 28, 2026, with prices from £399 to £1,389, a £989 spread on the same certified stone. Queensmith lists it at £1,389. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.50
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1485823360
Dimensions4.89 × 4.68 × 3.05 mm
L/W Ratio1.04
Culet sizeNone
Key to symbols
Feather, Cloud
Top View
4.89 mm4.68 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1485823360
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 65.1%

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 31
Current: £1,389 GBP|Low: £366 GBP|High: £1,393 GBP|Avg: £706 GBP|+3.5%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 9£399 GBP
Retailer 7£467 GBP
Retailer 10£487 GBP
Retailer 8£557 GBP
Retailer 5£573 GBP
Retailer 3£589 GBP
Retailer 6£600 GBP
Retailer 4£704 GBP
Retailer 2£1,105 GBP
Queensmith£1,389 GBP

41 data points across 10 retailers

14 retailers£399 GBP to £1,389 GBP

A
Cheapest Retailer
-
£399 GBP
$535 USD
Final sale: no returns
B+
Retailer 2
-
£467 GBP
$626 USD
View
B+
Retailer 3
-
£487 GBP
$653 USD
View
B+
Retailer 4
-
£517 GBP
$693 USD
View
B+
Retailer 5
-
£530 GBP
$710 USD
View
B+
Retailer 6
-
£530 GBP
$710 USD
View
B+
Retailer 7
-
£552 GBP
$740 USD
View
B+
Retailer 8
-
£557 GBP
$746 USD
View
B+
Retailer 9
-
£573 GBP
View
B+
Retailer 10
-
£589 GBP
View
B+
Retailer 11
-
£600 GBP
View
B+
Retailer 12
-
£704 GBP
€898 EUR
View
B
Retailer 13
-
£1,105 GBP
View
Most Expensive
B
Queensmith
1485823360 · Oct 28
£1,389 GBP
View
13 more retailers have this diamond
Prices start from £399 GBPSave up to £989 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
0.50ct Heart
£399 GBP