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1.31ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 5563656266

Certificate GIA 5563656266

Diamond specifications and retailer prices

From HK$13,455 HKD
As of November 6, 2026
Save HK$5,399 HKD (29%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$18,854 HKD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 1.31ct natural round diamond

This 1.31ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5563656266. Listed at 4 retailers as of November 6, 2026, with prices from HK$13,455 to HK$18,854, a HK$5,399 spread on the same certified stone. Frank Darling lists it at HK$18,854. 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

1.31
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5563656266
Dimensions6.96 × 6.92 × 4.33 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.96 mm6.92 mm1.31 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563656266
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°CuletDepth 62.4%

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 6
Current: HK$18,854 HKD|Low: HK$13,455 HKD|High: HK$18,854 HKD|Avg: HK$17,716 HKD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2HK$13,455 HKD
Retailer 3HK$18,217 HKD
Retailer 4HK$18,711 HKD
Frank DarlingHK$18,854 HKD

2 data points across 4 retailers

4 retailersHK$13,455 HKD to HK$18,854 HKD

Cheapest Retailer
-
HK$13,455 HKD
B+
Retailer 2
-
HK$18,217 HKD
View
B
Retailer 3
-
HK$18,711 HKD
View
Most Expensive
B
Frank Darling
ZSMIB041DD · Nov 6
HK$18,854 HKD
$2,403 USD
View
3 more retailers have this diamond
Prices start from HK$13,455 HKDSave up to HK$5,399 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+
1.31ct Round
HK$13,455 HKD