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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 $499 SGD
$390 USD
As of November 2, 2026
Save $284 SGD (36%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $782 SGD 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 27, 2026, with prices from $499 to $782, a $284 spread on the same certified stone. Wholesale Diamonds Direct lists it at $782. 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: $644 SGD|Low: $499 SGD|High: $782 SGD|Avg: $632 SGD|+5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 2, 2026
Retailer 5$499 SGD
Retailer 6$528 SGD
Retailer 4$597 SGD
Retailer 1$644 SGD
Retailer 2$679 SGD
Retailer 3$687 SGD
Wholesale Diamonds Direct$782 SGD

26 data points across 7 retailers

8 retailers$499 SGD to $782 SGD

B+
Cheapest Retailer
-
$499 SGD
$390 USD
B+
Retailer 2
-
$528 SGD
View
B+
Retailer 3
-
$571 SGD
View
B+
Retailer 4
-
$597 SGD
$467 USD
View
B
Retailer 5
-
$644 SGD
£397 GBP
View
B
Retailer 6
-
$679 SGD
£418 GBP
View
B
Retailer 7
-
$687 SGD
$537 USD
View
Most Expensive
B
Wholesale Diamonds Direct
482426092 · Oct 27
$782 SGD
$612 USD
View
7 more retailers have this diamond
Prices start from $499 SGDSave up to $284 SGD

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
$499 SGD