CaratHunter
Plans
Heart|Lab Grown|IGI

1.00ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG836642970

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836642970

Diamond specifications and retailer prices

From HK$1,193 HKD
$152 USD
As of October 27, 2026
Save HK$6,971 HKD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$8,164 HKD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

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 LG836642970 or 836642970. Listed at 16 retailers as of October 27, 2026, with prices from HK$1,193 to HK$8,164, a HK$6,971 spread on the same certified stone. Reve Diamonds lists it at HK$8,164. 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 angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836642970
Dimensions6.93 × 5.97 × 4.16 mm
L/W Ratio1.16
Girdle conditionFaceted
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
6.93 mm5.97 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836642970
Side View
Table 54.0%Crown 32°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 60.0%

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 27
Current: HK$2,569 HKD|Low: HK$1,146 HKD|High: HK$8,164 HKD|Avg: HK$3,765 HKD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 29, 2026
Retailer 10HK$1,193 HKD
Retailer 12HK$1,467 HKD
Retailer 5HK$1,514 HKD
Retailer 4HK$2,268 HKD
Retailer 1HK$2,569 HKD
Retailer 3HK$2,715 HKD
Retailer 8HK$2,809 HKD
Retailer 9HK$3,876 HKD
Retailer 11HK$4,472 HKD
Retailer 2HK$4,755 HKD
Retailer 6HK$5,299 HKD
Retailer 7HK$6,956 HKD
Reve DiamondsHK$8,164 HKD

40 data points across 13 retailers

16 retailersHK$1,193 HKD to HK$8,164 HKD

A
Cheapest Retailer
-
HK$1,193 HKD
$152 USD
A
Retailer 2
-
HK$1,381 HKD
$176 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
HK$1,459 HKD
$186 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
HK$1,467 HKD
$187 USD
View
Final sale: no returns
A
Retailer 5
-
HK$1,483 HKD
$189 USD
View
A
Retailer 6
-
HK$1,514 HKD
$193 USD
View
A
Retailer 7
-
HK$2,268 HKD
$289 USD
View
B+
Retailer 8
-
HK$2,569 HKD
£258 GBP
View
B+
Retailer 9
-
HK$2,715 HKD
$346 USD
View
B+
Retailer 10
-
HK$2,809 HKD
£282 GBP
View
B+
Retailer 11
-
HK$3,876 HKD
$494 USD
View
B
Retailer 12
-
HK$4,472 HKD
$570 USD
View
B
Retailer 13
-
HK$4,755 HKD
$606 USD
View
B
Retailer 14
-
HK$5,299 HKD
$675 USD
View
B
Retailer 15
-
HK$6,956 HKD
£698 GBP
View
Most Expensive
B
Reve Diamonds
F0CE878DF · Oct 28
HK$8,164 HKD
$1,040 USD
View
15 more retailers have this diamond
Prices start from HK$1,193 HKDSave up to HK$6,971 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$1,193 HKD