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Heart|Lab Grown|IGI

1.00ct E SI1 Heart Lab Grown Diamond

VG • E/SI1 • IGI LG837635380

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837635380

Diamond specifications and retailer prices

From HK$1,303 HKD
$166 USD
As of October 28, 2026
Save HK$1,284 HKD (50%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$2,586 HKD at 77 Diamonds · As of October 29, 2026
View at 77 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 very-good cut grade and certified by IGI LG837635380 or 837635380. Listed at 2 retailers as of October 28, 2026, with prices from HK$1,303 to HK$2,586, a HK$1,284 spread on the same certified stone. 77 Diamonds lists it at HK$2,586. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837635380
Dimensions6.29 × 7.06 × 3.93 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.29 mm7.06 mm1.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837635380
Side View
Table 62.0%Crown 35.7°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 55.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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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$2,586 HKD|Low: HK$1,303 HKD|High: HK$2,944 HKD|Avg: HK$2,517 HKD|-10.5%
77 Diamonds
Retailer 2
October 29, 2026
Retailer 2HK$1,303 HKD
77 DiamondsHK$2,586 HKD

35 data points across 2 retailers

2 retailersHK$1,303 HKD to HK$2,586 HKD

A
Cheapest Retailer
-
HK$1,303 HKD
$166 USD
Final sale: no returns
Most Expensive
B+
77 Diamonds
HSTVSBJJET7U4 · Oct 29
HK$2,586 HKD
£260 GBP
View
1 more retailer has this diamond
Prices start from HK$1,303 HKDSave up to HK$1,284 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$1,303 HKD