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Heart|Lab Grown|IGI

1.56ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG778640156

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG778640156

Diamond specifications and retailer prices

From HK$1,985 HKD
$253 USD
As of October 27, 2026
Save HK$11,197 HKD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$13,182 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.56ct lab-grown heart diamond

This 1.56ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778640156 or 778640156. Listed at 22 retailers as of October 27, 2026, with prices from HK$1,985 to HK$13,182, a HK$11,197 spread on the same certified stone. Brilliant Earth lists it at HK$13,182. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778640156
Dimensions7.31 × 8.08 × 4.61 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.31 mm8.08 mm1.56 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778640156
Side View
Table 56.0%Crown 29.9°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 57.1%

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 27
Current: HK$13,182 HKD|Low: HK$1,907 HKD|High: HK$13,182 HKD|Avg: HK$5,546 HKD
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
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Retailer 8
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Retailer 11
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Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 4HK$1,985 HKD
Retailer 12HK$2,221 HKD
Retailer 9HK$2,299 HKD
Retailer 5HK$2,464 HKD
Retailer 14HK$2,464 HKD
Retailer 17HK$3,727 HKD
Retailer 13HK$4,029 HKD
Retailer 7HK$4,112 HKD
Retailer 16HK$4,227 HKD
Retailer 10HK$4,543 HKD
Retailer 2HK$4,688 HKD
Retailer 8HK$5,163 HKD
Retailer 18HK$5,733 HKD
Retailer 3HK$6,183 HKD
Retailer 6HK$7,909 HKD
Retailer 20HK$8,164 HKD
Retailer 11HK$8,313 HKD
Retailer 19HK$8,757 HKD
Retailer 15HK$9,915 HKD
Retailer 21HK$10,498 HKD
Brilliant EarthHK$13,182 HKD

35 data points across 21 retailers

22 retailersHK$1,985 HKD to HK$13,182 HKD

A
Cheapest Retailer
-
HK$1,985 HKD
$253 USD
A
Retailer 2
-
HK$2,221 HKD
$283 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,299 HKD
$293 USD
View
A
Retailer 4
-
HK$2,464 HKD
$314 USD
View
A
Retailer 5
-
HK$2,464 HKD
$314 USD
View
A
Retailer 6
-
HK$3,727 HKD
$475 USD
View
A
Retailer 7
-
HK$4,029 HKD
€489 EUR
View
A
Retailer 8
-
HK$4,112 HKD
$524 USD
View
A
Retailer 9
-
HK$4,227 HKD
ZAR 8,703 ZAR
View
A
Retailer 10
-
HK$4,543 HKD
$579 USD
View
B+
Retailer 11
-
HK$4,688 HKD
£470 GBP
View
B+
Retailer 12
-
HK$5,163 HKD
$658 USD
View
B+
Retailer 13
-
HK$5,733 HKD
A$1,124 AUD
View
B+
Retailer 14
-
HK$6,183 HKD
$788 USD
View
B
Retailer 15
-
HK$7,909 HKD
$1,008 USD
View
B+
Retailer 16
-
HK$8,164 HKD
SGD 1,406 SGD
View
B
Retailer 17
-
HK$8,313 HKD
$1,059 USD
View
B
Retailer 18
-
HK$8,757 HKD
$1,116 USD
View
B+
Retailer 19
-
HK$9,682 HKD
$1,234 USD
View
B
Retailer 20
-
HK$9,915 HKD
£995 GBP
View
B
Retailer 21
-
HK$10,498 HKD
$1,338 USD
View
Most Expensive
B
Brilliant Earth
21417846A · Oct 28
HK$13,182 HKD
$1,680 USD
View
21 more retailers have this diamond
Prices start from HK$1,985 HKDSave up to HK$11,197 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
1.56ct Heart
HK$1,985 HKD