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Heart|Lab Grown|IGI

1.20ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG778641337

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG778641337

Diamond specifications and retailer prices

From HK$1,726 HKD
$220 USD
As of October 30, 2026
Save HK$13,024 HKD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$14,750 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown heart diamond

This 1.2ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778641337 or 778641337. Listed at 12 retailers as of October 30, 2026, with prices from HK$1,726 to HK$14,750, a HK$13,024 spread on the same certified stone. Do Amore Diamonds lists it at HK$14,750. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778641337
Dimensions6.58 × 7.52 × 4.22 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
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
6.58 mm7.52 mm1.20 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778641337
Side View
Table 58.0%Crown 33.8°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 56.1%

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$14,750 HKD|Low: HK$1,334 HKD|High: HK$14,750 HKD|Avg: HK$4,923 HKD
Do Amore Diamonds
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
Retailer 16
November 1, 2026
Retailer 10HK$1,726 HKD
Retailer 5HK$2,032 HKD
Retailer 13HK$2,278 HKD
Retailer 14HK$2,589 HKD
Retailer 6HK$3,515 HKD
Retailer 8HK$3,526 HKD
Retailer 16HK$3,662 HKD
Retailer 3HK$3,939 HKD
Retailer 15HK$4,323 HKD
Retailer 9HK$5,146 HKD
Retailer 11HK$5,500 HKD
Retailer 7HK$6,706 HKD
Retailer 4HK$6,959 HKD
Retailer 12HK$8,081 HKD
Retailer 2HK$8,440 HKD
Do Amore DiamondsHK$14,750 HKD

18 data points across 16 retailers

12 retailersHK$1,726 HKD to HK$14,750 HKD

Retailer 1
-
HK$1,640 HKD
$209 USD
Price last confirmed 32 days ago
A
Retailer 2
-
HK$1,726 HKD
$220 USD
View
Final sale: no returns
Retailer 3
-
HK$1,907 HKD
$243 USD
View
Price last confirmed 33 days ago
Retailer 4
-
HK$2,008 HKD
$256 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
HK$2,278 HKD
$290 USD
View
B+
Retailer 6
-
HK$2,589 HKD
$330 USD
View
B+
Retailer 7
-
HK$5,146 HKD
A$1,009 AUD
View
B+
Retailer 8
-
HK$5,500 HKD
$701 USD
View
Retailer 9
-
HK$6,543 HKD
$834 USD
View
Price last confirmed 31 days ago
B
Retailer 10
-
HK$8,081 HKD
$1,030 USD
View
B
Retailer 11
-
HK$8,440 HKD
£847 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5535EE115 · Oct 31
HK$14,750 HKD
$1,880 USD
View
11 more retailers have this diamond
Prices start from HK$1,726 HKDSave up to HK$13,024 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
1.20ct Heart
HK$1,726 HKD