Asscher|Lab Grown|IGI

1.00ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG520207914

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG520207914

Diamond specifications and retailer prices

From HK$5,022 HKD
$640 USD
As of October 28, 2026
Save HK$261 HKD (5%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$16,381 HKD at Rare Carat · As of August 17, 2026
View at Rare Carat

About this 1ct lab-grown asscher diamond

This 1ct lab-grown asscher sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG520207914 or 520207914. Listed at 3 retailers as of October 28, 2026, with a relatively tight 5% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.5°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520207914
Dimensions5.48 × 5.44 × 3.64 mm
L/W Ratio1.01
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
5.48 mm5.44 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520207914
Side View
Table 65.5%Crown 28.5°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 66.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$16,381 HKD|Low: HK$1,401 HKD|High: HK$18,143 HKD|Avg: HK$4,472 HKD|+367.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
August 17, 2026
Retailer 7HK$1,401 HKD
Retailer 9HK$2,173 HKD
Retailer 6HK$2,310 HKD
Retailer 8HK$2,562 HKD
Retailer 2HK$3,936 HKD
Retailer 10HK$5,022 HKD
Retailer 4HK$6,088 HKD
Retailer 5HK$6,915 HKD
Retailer 3HK$10,279 HKD
Rare CaratHK$16,381 HKD

39 data points across 10 retailers

3 retailersHK$5,022 HKD to HK$5,282 HKD

B
Cheapest Retailer
-
HK$5,022 HKD
$640 USD
B
Retailer 2
-
HK$5,282 HKD
£530 GBP
View
Most Expensive
Rare Carat
3640 · Aug 17
HK$16,381 HKD
$2,088 USD
View
Price under review
2 more retailers have this diamond
Prices start from HK$5,022 HKDSave up to HK$261 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
1.00ct Asscher
HK$5,022 HKD