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Heart|Natural|GIA

0.31ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 1568385456

Certificate GIA 1568385456

Diamond specifications and retailer prices

From £224 GBP
$300 USD
As of November 2, 2026
Save £122 GBP (35%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £346 GBP at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 0.31ct natural heart diamond

This 0.31ct natural heart sits in the sub-half-carat band, graded F 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 1568385456. Listed at 7 retailers as of October 27, 2026, with prices from £224 to £346, a £122 spread on the same certified stone. Wholesale Diamonds Direct lists it at £346. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle35.02°
Pavilion angle39.15°
OriginNatural
Grading LabGIA
CertificateGIA 1568385456
Dimensions4.16 × 4.69 × 2.74 mm
L/W Ratio1.13
Culet sizeNone
Top View
4.16 mm4.69 mm0.31 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1568385456
Side View
Table 58.0%Crown 35.02°Girdle: STK-THKPavilion 39.15°Culet: NoneDepth 58.4%

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: Nov 2
Current: £311 GBP|Low: £224 GBP|High: £352 GBP|Avg: £286 GBP|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 2, 2026
Retailer 6£224 GBP
Retailer 5£232 GBP
Retailer 4£269 GBP
Retailer 3£299 GBP
Retailer 2£302 GBP
Retailer 1£311 GBP
Wholesale Diamonds Direct£346 GBP

34 data points across 7 retailers

7 retailers£224 GBP to £346 GBP

A
Cheapest Retailer
-
£224 GBP
$300 USD
A
Retailer 2
-
£232 GBP
SGD 421 SGD
View
B+
Retailer 3
-
£269 GBP
SGD 488 SGD
View
B+
Retailer 4
-
£299 GBP
View
B+
Retailer 5
-
£302 GBP
$405 USD
View
B+
Retailer 6
-
£311 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
415432124 · Oct 27
£346 GBP
$464 USD
View
6 more retailers have this diamond
Prices start from £224 GBPSave up to £122 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
0.31ct Heart
£224 GBP