CaratHunter
Plans
Heart|Lab Grown|IGI

1.00ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG843684291

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843684291

Diamond specifications and retailer prices

From HK$1,169 HKD
$149 USD
As of October 30, 2026
Save HK$5,637 HKD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$6,806 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart 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 LG843684291 or 843684291. Listed at 12 retailers as of October 29, 2026, with prices from HK$1,169 to HK$6,806, a HK$5,637 spread on the same certified stone. MOH London lists it at HK$6,806. 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 angle32°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843684291
Dimensions6.21 × 7.01 × 4.01 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.21 mm7.01 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843684291
Side View
Table 62.0%Crown 32°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 57.2%

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: Oct 30
Current: HK$6,806 HKD|Low: HK$1,169 HKD|High: HK$7,155 HKD|Avg: HK$3,113 HKD|-4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7HK$1,169 HKD
Retailer 6HK$1,357 HKD
Retailer 11HK$1,452 HKD
Retailer 4HK$1,522 HKD
Retailer 2HK$1,883 HKD
Retailer 9HK$2,260 HKD
Retailer 3HK$2,660 HKD
Retailer 5HK$2,750 HKD
Retailer 8HK$3,947 HKD
Retailer 12HK$4,653 HKD
Retailer 10HK$4,920 HKD
MOH LondonHK$6,806 HKD

15 data points across 12 retailers

12 retailersHK$1,169 HKD to HK$6,806 HKD

A
Cheapest Retailer
-
HK$1,169 HKD
$149 USD
A
Retailer 2
-
HK$1,357 HKD
$173 USD
View
A
Retailer 3
-
HK$1,452 HKD
$185 USD
View
A
Retailer 4
-
HK$1,522 HKD
$194 USD
View
A
Retailer 5
-
HK$1,883 HKD
£189 GBP
View
B+
Retailer 6
-
HK$2,260 HKD
$288 USD
View
B+
Retailer 7
-
HK$2,660 HKD
$339 USD
View
B+
Retailer 8
-
HK$2,750 HKD
£276 GBP
View
B
Retailer 9
-
HK$3,947 HKD
$503 USD
View
B
Retailer 10
-
HK$4,653 HKD
$593 USD
View
B
Retailer 11
-
HK$4,920 HKD
$627 USD
View
Most Expensive
B
MOH London
LG843684291 · Oct 29
HK$6,806 HKD
£683 GBP
View
11 more retailers have this diamond
Prices start from HK$1,169 HKDSave up to HK$5,637 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
1.00ct Heart
HK$1,169 HKD