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Heart|Natural|GIA

0.31ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 3565584441

Certificate GIA 3565584441

Diamond specifications and retailer prices

From £276 GBP
$370 USD
As of November 2, 2026
Save £101 GBP (27%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £376 GBP at DreamStone · As of October 31, 2026
View at DreamStone

About this 0.31ct natural heart diamond

This 0.31ct natural heart sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565584441. Listed at 6 retailers as of October 31, 2026, with prices from £276 to £376, a £101 spread on the same certified stone. DreamStone lists it at £376. 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

0.31
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.29°
Pavilion angle38.88°
OriginNatural
Grading LabGIA
CertificateGIA 3565584441
Dimensions4.10 × 4.71 × 2.78 mm
L/W Ratio1.15
Culet sizeNone
Top View
4.10 mm4.71 mm0.31 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3565584441
Side View
Table 58.0%Crown 36.29°Girdle: MED-VTKPavilion 38.88°Culet: NoneDepth 59.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £376 GBP|Low: £276 GBP|High: £376 GBP|Avg: £328 GBP
DreamStone
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4£276 GBP
Retailer 6£289 GBP
Retailer 5£331 GBP
Retailer 3£353 GBP
Retailer 2£372 GBP
DreamStone£376 GBP

3 data points across 6 retailers

6 retailers£276 GBP to £376 GBP

B+
Cheapest Retailer
-
£276 GBP
$370 USD
B+
Retailer 2
-
£289 GBP
SGD 524 SGD
View
B
Retailer 3
-
£331 GBP
$444 USD
View
B+
Retailer 4
-
£353 GBP
View
B
Retailer 5
-
£372 GBP
View
Most Expensive
B
DreamStone
2712003 · Oct 31
£376 GBP
$505 USD
View
5 more retailers have this diamond
Prices start from £276 GBPSave up to £101 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.

B+
0.31ct Heart
£276 GBP