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Heart|Lab Grown|IGI

1.00ct E SI2 Heart Lab Grown Diamond

ID • E/SI2 • IGI LG821607681

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG821607681

Diamond specifications and retailer prices

From HK$4,080 HKD
$520 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: HK$4,080 HKD at Rare Carat
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Rare Carat

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821607681 or 821607681. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821607681
Dimensions7.01 × 6.67 × 3.80 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.01 mm6.67 mm1.00 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821607681
Side View
Table 68.0%Crown 35.2°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 57.0%

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$4,080 HKD|Low: HK$2,032 HKD|High: HK$4,080 HKD|Avg: HK$2,417 HKD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 18, 2026
Retailer 5HK$2,032 HKD
Retailer 3HK$2,235 HKD
Retailer 2HK$2,362 HKD
Retailer 4HK$2,839 HKD
Rare CaratHK$4,080 HKD

8 data points across 5 retailers

1 retailer

B
Rare Carat
C8-49C · Oct 28
HK$4,080 HKD
$520 USD
View

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 Heart
HK$4,080 HKD