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Round|Lab Grown|IGI

1.30ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG773623964

Shape and cutting style on the report: Round brilliant

Certificate IGI LG773623964

Diamond specifications and retailer prices

From HK$3,483 HKD
As of November 1, 2026
5 retailers carry this diamond
Most expensive: HK$5,601 HKD at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG773623964 or 773623964. Listed at 5 retailers as of November 1, 2026. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773623964
Dimensions7.03 × 7.00 × 4.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.03 mm7.00 mm1.30 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773623964
Side View
Table 59.0%Crown 33.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: HK$3,483 HKD|Low: HK$1,114 HKD|High: HK$8,842 HKD|Avg: HK$3,912 HKD|-25.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 8, 2026
Retailer 4HK$1,577 HKD
Retailer 7HK$1,742 HKD
Retailer 9HK$2,354 HKD
Retailer 6HK$2,934 HKD
Retailer 2HK$3,005 HKD
Retailer 1HK$3,483 HKD
Retailer 10HK$3,624 HKD
Retailer 11HK$3,766 HKD
Retailer 5HK$3,985 HKD
Retailer 3HK$6,025 HKD
Retailer 8HK$8,842 HKD

52 data points across 11 retailers

5 retailers

Retailer 1
-
HK$1,404 HKD
Price last confirmed 49 days ago
Retailer 2
-
HK$1,718 HKD
View
Price last confirmed 48 days ago
B+
Retailer 3
-
HK$3,483 HKD
View
Retailer 4
-
HK$3,766 HKD
View
Price last confirmed 82 days ago
Most Expensive
NZ Jewellers
a9ddad0d-5212-4c4e-ba30-522f91fe0158 · Sep 21
HK$5,601 HKD
$714 USD
View
Price last confirmed 46 days ago
4 more retailers have this diamond
Prices start from HK$3,483 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$3,483 HKD