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Round|Natural|GIA

0.31ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6561316825

Certificate GIA 6561316825

Diamond specifications and retailer prices

From HK$1,713 HKD
₹20,797 INR
As of November 1, 2026
Save HK$3,697 HKD (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$10,694 HKD at NZ Jewellers · As of October 23, 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 6561316825. Listed at 17 retailers as of November 1, 2026, with a 216% 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
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6561316825
Dimensions4.34 × 4.32 × 2.70 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
4.34 mm4.32 mm0.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561316825
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°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$10,694 HKD|Low: HK$1,713 HKD|High: HK$10,694 HKD|Avg: HK$3,523 HKD|+11.3%
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 2, 2026
Retailer 10HK$1,713 HKD
Retailer 6HK$1,985 HKD
Retailer 3HK$2,109 HKD
Retailer 13HK$2,165 HKD
Retailer 8HK$2,503 HKD
Retailer 4HK$2,566 HKD
Retailer 12HK$2,721 HKD
Retailer 7HK$2,785 HKD
Retailer 9HK$2,957 HKD
Retailer 5HK$3,178 HKD
Retailer 14HK$3,381 HKD
Retailer 15HK$3,446 HKD
Retailer 16HK$3,660 HKD
Retailer 2HK$4,020 HKD
Retailer 11HK$5,410 HKD
NZ JewellersHK$10,694 HKD

26 data points across 16 retailers

17 retailersHK$1,713 HKD to HK$5,410 HKD

A
Cheapest Retailer
-
HK$1,713 HKD
₹20,797 INR
A
Retailer 2
-
HK$1,985 HKD
$253 USD
View
A
Retailer 3
-
HK$2,109 HKD
View
A
Retailer 4
-
HK$2,165 HKD
$276 USD
View
Final sale: no returns
Retailer 5
-
HK$2,503 HKD
$319 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$2,566 HKD
SGD 442 SGD
View
A
Retailer 7
-
HK$2,721 HKD
A$534 AUD
View
Retailer 8
-
HK$2,785 HKD
$355 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
HK$2,957 HKD
£297 GBP
View
Retailer 10
-
HK$3,178 HKD
$405 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
HK$3,381 HKD
$431 USD
View
B+
Retailer 12
-
HK$3,446 HKD
$439 USD
View
B+
Retailer 13
-
HK$3,660 HKD
ZAR 7,537 ZAR
View
Retailer 14
-
HK$3,958 HKD
A$776 AUD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
HK$4,020 HKD
€488 EUR
View
B
Retailer 16
-
HK$5,410 HKD
£543 GBP
View
Most Expensive
NZ Jewellers
42869dcb-cb0e-4621-99dc-c76e31ff19b6 · Oct 23
HK$10,694 HKD
$1,363 USD
View
Price under review
16 more retailers have this diamond
Prices start from HK$1,713 HKDSave up to HK$3,697 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$1,713 HKD