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1.51ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG830613026

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830613026

Diamond specifications and retailer prices

From HK$1,640 HKD
As of November 4, 2026
Save HK$7,350 HKD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$8,990 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG830613026 or 830613026. Listed at 13 retailers as of November 4, 2026, with prices from HK$1,640 to HK$8,990, a HK$7,350 spread on the same certified stone. Reve Diamonds lists it at HK$8,990. 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

1.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830613026
Dimensions7.30 × 7.33 × 4.56 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm7.33 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830613026
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 41.1°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 4
Current: HK$5,876 HKD|Low: HK$1,640 HKD|High: HK$9,505 HKD|Avg: HK$4,903 HKD|-9.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 6, 2026
Retailer 3HK$1,640 HKD
Retailer 12HK$2,008 HKD
Retailer 6HK$2,432 HKD
Retailer 11HK$3,107 HKD
Retailer 7HK$3,256 HKD
Retailer 13HK$3,279 HKD
Retailer 5HK$3,468 HKD
Retailer 10HK$4,346 HKD
Retailer 9HK$5,570 HKD
Retailer 1HK$5,876 HKD
Retailer 4HK$6,268 HKD
Retailer 2HK$6,825 HKD
Retailer 8HK$8,473 HKD
Reve DiamondsHK$8,990 HKD

22 data points across 14 retailers

13 retailersHK$1,640 HKD to HK$8,990 HKD

A
Cheapest Retailer
-
HK$1,640 HKD
Final sale: no returns
A
Retailer 2
-
HK$2,008 HKD
View
B+
Retailer 3
-
HK$2,432 HKD
View
A
Retailer 4
-
HK$3,107 HKD
View
A
Retailer 5
-
HK$3,256 HKD
View
A
Retailer 6
-
HK$3,279 HKD
View
B+
Retailer 7
-
HK$4,346 HKD
View
B+
Retailer 8
-
HK$5,570 HKD
View
B+
Retailer 9
-
HK$5,876 HKD
View
B+
Retailer 10
-
HK$6,268 HKD
View
B
Retailer 11
-
HK$6,825 HKD
View
B
Retailer 12
-
HK$8,473 HKD
View
Most Expensive
B
Reve Diamonds
73E8D75D1 · Nov 6
HK$8,990 HKD
$1,146 USD
View
12 more retailers have this diamond
Prices start from HK$1,640 HKDSave up to HK$7,350 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
1.51ct Round
HK$1,640 HKD