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Heart|Lab Grown|IGI

0.78ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG700587860

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG700587860

Diamond specifications and retailer prices

From HK$863 HKD
$110 USD
As of October 30, 2026
Save HK$8,045 HKD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$8,908 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.78ct lab-grown heart diamond

This 0.78ct lab-grown heart sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG700587860 or 700587860. Listed at 12 retailers as of October 30, 2026, with prices from HK$863 to HK$8,908, a HK$8,045 spread on the same certified stone. MOH London lists it at HK$8,908. 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

0.78
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700587860
Dimensions5.91 × 6.29 × 3.62 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.91 mm6.29 mm0.78 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700587860
Side View
Table 64.0%Crown 32.6°Girdle: THN-STKPavilion 40°Culet: NoneDepth 57.6%

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$8,908 HKD|Low: HK$863 HKD|High: HK$8,958 HKD|Avg: HK$2,990 HKD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 4HK$863 HKD
Retailer 15HK$996 HKD
Retailer 10HK$1,138 HKD
Retailer 3HK$1,306 HKD
Retailer 8HK$1,969 HKD
Retailer 2HK$2,117 HKD
Retailer 14HK$2,126 HKD
Retailer 13HK$2,324 HKD
Retailer 11HK$2,950 HKD
Retailer 7HK$3,295 HKD
Retailer 12HK$3,429 HKD
Retailer 9HK$3,821 HKD
Retailer 6HK$4,883 HKD
Retailer 5HK$5,570 HKD
MOH LondonHK$8,908 HKD

6 data points across 15 retailers

12 retailersHK$863 HKD to HK$8,908 HKD

A
Cheapest Retailer
-
HK$863 HKD
$110 USD
A
Retailer 2
-
HK$996 HKD
$127 USD
View
A
Retailer 3
-
HK$1,138 HKD
$145 USD
View
A
Retailer 4
-
HK$1,306 HKD
View
B+
Retailer 5
-
HK$1,969 HKD
€239 EUR
View
B+
Retailer 6
-
HK$2,117 HKD
£212 GBP
View
B+
Retailer 7
-
HK$2,126 HKD
$271 USD
View
B+
Retailer 8
-
HK$2,324 HKD
£233 GBP
View
B+
Retailer 9
-
HK$2,950 HKD
$376 USD
View
B
Retailer 10
-
HK$3,429 HKD
$437 USD
View
B
Retailer 11
-
HK$3,821 HKD
$487 USD
View
Most Expensive
B
MOH London
LG700587860 · Nov 1
HK$8,908 HKD
£894 GBP
View
11 more retailers have this diamond
Prices start from HK$863 HKDSave up to HK$8,045 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
0.78ct Heart
HK$863 HKD