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Round|Natural|GIA

0.31ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1525227984

Certificate GIA 1525227984

Diamond specifications and retailer prices

From HK$1,400 HKD
₹16,999 INR
As of November 1, 2026
Save HK$7,756 HKD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$9,156 HKD at NZ Jewellers · As of October 30, 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 1525227984. Listed at 17 retailers as of October 30, 2026, with prices from HK$1,400 to HK$9,156, a HK$7,756 spread on the same certified stone. NZ Jewellers lists it at HK$9,156. 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
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1525227984
Dimensions4.35 × 4.33 × 2.71 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Feather, Crystal, Knot
Top View
4.35 mm4.33 mm0.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525227984
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.4%

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$9,156 HKD|Low: HK$1,400 HKD|High: HK$9,446 HKD|Avg: HK$2,995 HKD|-3.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 9HK$1,400 HKD
Retailer 5HK$1,707 HKD
Retailer 8HK$1,977 HKD
Retailer 13HK$2,001 HKD
Retailer 6HK$2,166 HKD
Retailer 3HK$2,189 HKD
Retailer 4HK$2,267 HKD
Retailer 7HK$2,649 HKD
Retailer 15HK$2,691 HKD
Retailer 14HK$3,003 HKD
Retailer 10HK$3,023 HKD
Retailer 12HK$3,117 HKD
Retailer 16HK$3,133 HKD
Retailer 2HK$3,905 HKD
Retailer 11HK$4,623 HKD
NZ JewellersHK$9,156 HKD

22 data points across 16 retailers

17 retailersHK$1,400 HKD to HK$9,156 HKD

A
Cheapest Retailer
-
HK$1,400 HKD
₹16,999 INR
A
Retailer 2
-
HK$1,707 HKD
View
Retailer 3
-
HK$1,977 HKD
$252 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$2,001 HKD
$255 USD
View
A
Retailer 5
-
HK$2,166 HKD
SGD 373 SGD
View
A
Retailer 6
-
HK$2,189 HKD
$279 USD
View
A
Retailer 7
-
HK$2,267 HKD
$289 USD
View
A
Retailer 8
-
HK$2,649 HKD
$338 USD
View
A
Retailer 9
-
HK$2,691 HKD
$343 USD
View
A
Retailer 10
-
HK$3,003 HKD
$383 USD
View
A
Retailer 11
-
HK$3,023 HKD
$385 USD
View
B+
Retailer 12
-
HK$3,117 HKD
£313 GBP
View
B+
Retailer 13
-
HK$3,133 HKD
ZAR 6,452 ZAR
View
Retailer 14
-
HK$3,447 HKD
A$676 AUD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
HK$3,905 HKD
€474 EUR
View
B+
Retailer 16
-
HK$4,623 HKD
£464 GBP
View
Most Expensive
B
NZ Jewellers
19204791-518a-418e-9a0e-e222d8f3a2dd · Oct 30
HK$9,156 HKD
$1,167 USD
View
16 more retailers have this diamond
Prices start from HK$1,400 HKDSave up to HK$7,756 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$1,400 HKD