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1.78ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG629482184

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629482184

Diamond specifications and retailer prices

From HK$1,648 HKD
$210 USD
As of October 29, 2026
Save HK$16,085 HKD (91%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$17,733 HKD at Jared · As of October 28, 2026
View at Jared

About this 1.78ct lab-grown round diamond

This 1.78ct 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 LG629482184 or 629482184. Listed at 10 retailers as of October 28, 2026, with prices from HK$1,648 to HK$17,733, a HK$16,085 spread on the same certified stone. Jared lists it at HK$17,733. 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

1.78
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629482184
Dimensions7.78 × 7.82 × 4.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.78 mm7.82 mm1.78 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629482184
Side View
Table 58.0%Crown 33.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$9,108 HKD|Low: HK$1,381 HKD|High: HK$16,399 HKD|Avg: HK$6,609 HKD|-2.8%
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
October 29, 2026
Retailer 11HK$1,648 HKD
Retailer 12HK$1,867 HKD
Retailer 10HK$1,915 HKD
Retailer 9HK$3,515 HKD
Retailer 2HK$4,411 HKD
Retailer 3HK$4,833 HKD
Retailer 13HK$5,226 HKD
Retailer 6HK$6,607 HKD
Retailer 7HK$7,266 HKD
Retailer 5HK$7,768 HKD
Retailer 1HK$9,108 HKD
Retailer 4HK$11,770 HKD
Retailer 8HK$15,850 HKD

17 data points across 13 retailers

10 retailersHK$1,648 HKD to HK$17,733 HKD

A
Cheapest Retailer
-
HK$1,648 HKD
$210 USD
A
Retailer 2
-
HK$1,867 HKD
$238 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,915 HKD
$244 USD
View
B+
Retailer 4
-
HK$3,515 HKD
$448 USD
View
B+
Retailer 5
-
HK$6,607 HKD
$842 USD
View
B+
Retailer 6
-
HK$7,266 HKD
$926 USD
View
B
Retailer 7
-
HK$9,108 HKD
£914 GBP
View
B
Retailer 8
-
HK$11,770 HKD
$1,500 USD
View
B
Retailer 9
-
HK$15,850 HKD
$2,020 USD
View
Most Expensive
B
Jared
150918409 · Oct 28
HK$17,733 HKD
$2,260 USD
View
9 more retailers have this diamond
Prices start from HK$1,648 HKDSave up to HK$16,085 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
1.78ct Round
HK$1,648 HKD