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Heart|Natural|GIA

0.53ct G SI1 Heart Natural Diamond

GD • G/SI1 • GIA 3525647190

Certificate GIA 3525647190

Diamond specifications and retailer prices

From £310 GBP
$416 USD
As of November 2, 2026
Save £96 GBP (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £407 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 0.53ct natural heart diamond

This 0.53ct natural heart sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 3525647190. Listed at 4 retailers as of October 31, 2026, with prices from £310 to £407, a £96 spread on the same certified stone. Blue Nile lists it at £407. 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

0.53
Carat
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3525647190
Dimensions5.16 × 5.78 × 3.20 mm
L/W Ratio1.12
Top View
5.16 mm5.78 mm0.53 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3525647190
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 55.4%

Caratlytics Score

How it works →
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: Nov 2
Current: £407 GBP|Low: £287 GBP|High: £473 GBP|Avg: £376 GBP|-14.0%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3£310 GBP
Retailer 4£337 GBP
Retailer 2£388 GBP
Blue Nile£407 GBP

40 data points across 4 retailers

4 retailers£310 GBP to £407 GBP

A
Cheapest Retailer
-
£310 GBP
$416 USD
Final sale: no returns
A
Retailer 2
-
£337 GBP
SGD 610 SGD
View
B+
Retailer 3
-
£388 GBP
View
Most Expensive
B+
Blue Nile
25574735 · Oct 31
£407 GBP
$545 USD
View
3 more retailers have this diamond
Prices start from £310 GBPSave up to £96 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
0.53ct Heart
£310 GBP