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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 $300 USD
As of November 2, 2026
Save $164 USD (35%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $464 USD 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 $300 to $464, a $164 spread on the same certified stone. Wholesale Diamonds Direct lists it at $464. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $418 USD|Low: $300 USD|High: $473 USD|Avg: $384 USD|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 2, 2026
Retailer 6$300 USD
Retailer 5$312 USD
Retailer 4$361 USD
Retailer 3$401 USD
Retailer 2$405 USD
Retailer 1$418 USD
Wholesale Diamonds Direct$464 USD

34 data points across 7 retailers

7 retailers$300 USD to $464 USD

A
Cheapest Retailer
-
$300 USD
A
Retailer 2
-
$312 USD
SGD 421 SGD
View
B+
Retailer 3
-
$361 USD
SGD 488 SGD
View
B+
Retailer 4
-
$401 USD
£316 GBP
View
B+
Retailer 5
-
$405 USD
View
B+
Retailer 6
-
$418 USD
£329 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
415432124 · Oct 27
$464 USD
View
6 more retailers have this diamond
Prices start from $300 USDSave up to $164 USD

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
$300 USD