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Round|Natural|GIA

0.31ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7558653539

Certificate GIA 7558653539

Diamond specifications and retailer prices

From HK$1,416 HKD
₹17,188 INR
As of November 1, 2026
Save HK$3,158 HKD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$9,862 HKD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 0.31ct natural round diamond

This 0.31ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7558653539. Listed at 17 retailers as of November 1, 2026, with a 223% 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7558653539
Dimensions4.34 × 4.35 × 2.69 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal
Top View
4.34 mm4.35 mm0.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558653539
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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 1
Current: HK$1,416 HKD|Low: HK$1,416 HKD|High: HK$4,992 HKD|Avg: HK$2,755 HKD|-10.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 1HK$1,416 HKD
Retailer 2HK$1,707 HKD
Retailer 4HK$1,954 HKD
Retailer 3HK$2,166 HKD
Retailer 9HK$2,377 HKD
Retailer 8HK$2,413 HKD
Retailer 10HK$2,974 HKD
Retailer 5HK$3,000 HKD
Retailer 7HK$3,078 HKD
Retailer 11HK$3,107 HKD
Retailer 12HK$3,468 HKD
Retailer 6HK$4,573 HKD

24 data points across 12 retailers

17 retailersHK$1,416 HKD to HK$4,573 HKD

A
Cheapest Retailer
-
HK$1,416 HKD
₹17,188 INR
A
Retailer 2
-
HK$1,707 HKD
View
A
Retailer 3
-
HK$1,954 HKD
$249 USD
View
Retailer 4
-
HK$2,158 HKD
$275 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
HK$2,166 HKD
SGD 373 SGD
View
A
Retailer 6
-
HK$2,377 HKD
$303 USD
View
A
Retailer 7
-
HK$2,413 HKD
A$473 AUD
View
Retailer 8
-
HK$2,432 HKD
$310 USD
View
Price last confirmed 33 days ago
Retailer 9
-
HK$2,934 HKD
$374 USD
View
Price last confirmed 33 days ago
A
Retailer 10
-
HK$2,974 HKD
$379 USD
View
A
Retailer 11
-
HK$3,000 HKD
$382 USD
View
B+
Retailer 12
-
HK$3,078 HKD
£309 GBP
View
B+
Retailer 13
-
HK$3,107 HKD
ZAR 6,398 ZAR
View
Retailer 14
-
HK$3,458 HKD
A$678 AUD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
HK$3,468 HKD
€421 EUR
View
B+
Retailer 16
-
HK$4,573 HKD
£459 GBP
View
Most Expensive
NZ Jewellers
cca0e59c-1fa5-47bb-b1e8-9a60c2a11332 · Sep 28
HK$9,862 HKD
$1,257 USD
View
Price under review
16 more retailers have this diamond
Prices start from HK$1,416 HKDSave up to HK$3,158 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.

A
0.31ct Round
HK$1,416 HKD