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Heart|Natural|GIA

0.31ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6561198401

Certificate GIA 6561198401

Diamond specifications and retailer prices

From £231 GBP
$310 USD
As of October 31, 2026
Save £123 GBP (35%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £354 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561198401. Listed at 7 retailers as of October 27, 2026, with prices from £231 to £354, a £123 spread on the same certified stone. Wholesale Diamonds Direct lists it at £354. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.61°
Pavilion angle40.34°
OriginNatural
Grading LabGIA
CertificateGIA 6561198401
Dimensions4.14 × 4.65 × 2.71 mm
L/W Ratio1.12
Culet sizeNone
Top View
4.14 mm4.65 mm0.31 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561198401
Side View
Table 59.0%Crown 34.61°Girdle: THN-THKPavilion 40.34°Culet: NoneDepth 58.3%

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: Oct 31
Current: £320 GBP|Low: £160 GBP|High: £387 GBP|Avg: £287 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 2, 2026
Retailer 7£160 GBP
Retailer 6£231 GBP
Retailer 5£239 GBP
Retailer 4£275 GBP
Retailer 3£307 GBP
Retailer 2£311 GBP
Retailer 1£320 GBP
Wholesale Diamonds Direct£354 GBP

36 data points across 8 retailers

7 retailers£231 GBP to £354 GBP

A
Cheapest Retailer
-
£231 GBP
$310 USD
A
Retailer 2
-
£239 GBP
SGD 432 SGD
View
B+
Retailer 3
-
£275 GBP
SGD 498 SGD
View
B+
Retailer 4
-
£307 GBP
View
B+
Retailer 5
-
£311 GBP
$417 USD
View
B+
Retailer 6
-
£320 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
415436869 · Oct 27
£354 GBP
$475 USD
View
6 more retailers have this diamond
Prices start from £231 GBPSave up to £123 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
£231 GBP