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1.30ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG644481659

Certificate IGI LG644481659

Diamond specifications and retailer prices

From HK$4,812 HKD
As of November 6, 2026
Save HK$1,928 HKD (29%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$6,740 HKD at Zales · As of November 6, 2026
View at Zales

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG644481659 or 644481659. Listed at 3 retailers as of November 6, 2026, with prices from HK$4,812 to HK$6,740, a HK$1,928 spread on the same certified stone. Zales lists it at HK$6,740. 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

1.30
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG644481659
Dimensions6.97 × 6.99 mm
L/W Ratio1.00
Top View
6.97 mm6.99 mm1.30 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644481659
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$4,812 HKD|Low: HK$4,812 HKD|High: HK$11,364 HKD|Avg: HK$8,384 HKD|-57.7%
Retailer 1
Retailer 2
Zales
November 6, 2026
Retailer 1HK$4,812 HKD
Retailer 2HK$6,740 HKD
ZalesHK$6,740 HKD

10 data points across 3 retailers

3 retailersHK$4,812 HKD to HK$6,740 HKD

B+
Cheapest Retailer
-
HK$4,812 HKD
B
Retailer 2
-
HK$6,740 HKD
View
Most Expensive
B
Zales
521383532 · Nov 6
HK$6,740 HKD
$860 USD
View
2 more retailers have this diamond
Prices start from HK$4,812 HKDSave up to HK$1,928 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+
1.30ct Round
HK$4,812 HKD