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Heart|Lab Grown|IGI

1.00ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG850681377

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG850681377

Diamond specifications and retailer prices

From HK$2,422 HKD
€294 EUR
As of October 29, 2026
Save HK$4,164 HKD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$6,586 HKD at MOH London · As of October 26, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG850681377 or 850681377. Listed at 7 retailers as of October 26, 2026, with prices from HK$2,422 to HK$6,586, a HK$4,164 spread on the same certified stone. MOH London lists it at HK$6,586. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850681377
Dimensions6.80 × 5.97 × 4.03 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.80 mm5.97 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850681377
Side View
Table 63.0%Crown 37.3°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.3%

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 29
Current: HK$6,586 HKD|Low: HK$2,346 HKD|High: HK$6,586 HKD|Avg: HK$3,479 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3HK$2,422 HKD
Retailer 2HK$2,425 HKD
Retailer 5HK$2,464 HKD
Retailer 7HK$2,613 HKD
Retailer 4HK$2,673 HKD
Retailer 6HK$4,960 HKD
MOH LondonHK$6,586 HKD

7 data points across 7 retailers

7 retailersHK$2,422 HKD to HK$6,586 HKD

A
Cheapest Retailer
-
HK$2,422 HKD
€294 EUR
A
Retailer 2
-
HK$2,425 HKD
£243 GBP
View
A
Retailer 3
-
HK$2,464 HKD
$314 USD
View
B+
Retailer 4
-
HK$2,613 HKD
$333 USD
View
B+
Retailer 5
-
HK$2,673 HKD
£268 GBP
View
B
Retailer 6
-
HK$4,960 HKD
$632 USD
View
Most Expensive
B
MOH London
LG850681377 · Oct 26
HK$6,586 HKD
£661 GBP
View
6 more retailers have this diamond
Prices start from HK$2,422 HKDSave up to HK$4,164 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$2,422 HKD