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Heart|Natural|GIA

0.31ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 2566525326

Certificate GIA 2566525326

Diamond specifications and retailer prices

From HK$3,060 HKD
$390 USD
As of November 2, 2026
Save HK$1,154 HKD (27%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$4,800 HKD 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566525326. Listed at 8 retailers as of October 31, 2026, with a 38% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36.08°
Pavilion angle39.86°
OriginNatural
Grading LabGIA
CertificateGIA 2566525326
Dimensions4.13 × 4.65 × 2.73 mm
L/W Ratio1.13
Culet sizeNone
Top View
4.13 mm4.65 mm0.31 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566525326
Side View
Table 59.0%Crown 36.08°Girdle: STK-THKPavilion 39.86°Culet: NoneDepth 58.6%

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: HK$3,952 HKD|Low: HK$3,060 HKD|High: HK$4,800 HKD|Avg: HK$3,874 HKD|+5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 2, 2026
Retailer 5HK$3,060 HKD
Retailer 6HK$3,240 HKD
Retailer 4HK$3,664 HKD
Retailer 1HK$3,952 HKD
Retailer 2HK$4,164 HKD
Retailer 3HK$4,214 HKD
Wholesale Diamonds DirectHK$4,800 HKD

26 data points across 7 retailers

8 retailersHK$3,060 HKD to HK$4,214 HKD

B+
Cheapest Retailer
-
HK$3,060 HKD
$390 USD
B+
Retailer 2
-
HK$3,240 HKD
SGD 558 SGD
View
B+
Retailer 3
-
HK$3,501 HKD
SGD 603 SGD
View
B+
Retailer 4
-
HK$3,664 HKD
$467 USD
View
B
Retailer 5
-
HK$3,952 HKD
£397 GBP
View
B
Retailer 6
-
HK$4,164 HKD
£418 GBP
View
B
Retailer 7
-
HK$4,214 HKD
$537 USD
View
Most Expensive
Wholesale Diamonds Direct
482426092 · Oct 27
HK$4,800 HKD
$612 USD
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from HK$3,060 HKDSave up to HK$1,154 HKD

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
HK$3,060 HKD