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Round|Lab Grown|IGI

1.78ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG787639594

Certificate IGI LG787639594

Diamond specifications and retailer prices

From HK$11,142 HKD
$1,420 USD
As of October 28, 2026
Save HK$6,591 HKD (37%) vs most expensive(unlock to see where)
3 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787639594 or 787639594. Listed at 3 retailers as of October 28, 2026, with prices from HK$11,142 to HK$17,733, a HK$6,591 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG787639594
Dimensions7.77 × 7.82 mm
L/W Ratio1.01
Top View
7.77 mm7.82 mm1.78 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787639594
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: HK$17,733 HKD|Low: HK$11,142 HKD|High: HK$17,733 HKD|Avg: HK$13,914 HKD
Jared
Retailer 2
Retailer 3
July 10, 2026
Retailer 2HK$11,142 HKD
Retailer 3HK$11,142 HKD
JaredHK$17,733 HKD

5 data points across 3 retailers

3 retailersHK$11,142 HKD to HK$17,733 HKD

B
Cheapest Retailer
-
HK$11,142 HKD
$1,420 USD
B
Retailer 2
-
HK$11,142 HKD
$1,420 USD
View
Most Expensive
B
Jared
158584786 · Oct 28
HK$17,733 HKD
$2,260 USD
View
2 more retailers have this diamond
Prices start from HK$11,142 HKDSave up to HK$6,591 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
1.78ct Round
HK$11,142 HKD