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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 $220 USD
As of October 28, 2026
Save $1,660 USD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,880 USD at Do Amore Diamonds · As of October 29, 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 28, 2026, with prices from $220 to $1,880, a $1,660 spread on the same certified stone. Do Amore Diamonds lists it at $1,880. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,880 USD|Low: $170 USD|High: $1,880 USD|Avg: $622 USD
Do Amore Diamonds
Retailer 2
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
October 27, 2026
Retailer 10$220 USD
Retailer 5$259 USD
Retailer 13$290 USD
Retailer 14$330 USD
Retailer 6$448 USD
Retailer 8$449 USD
Retailer 16$467 USD
Retailer 3$502 USD
Retailer 15$551 USD
Retailer 2$656 USD
Retailer 11$701 USD
Retailer 7$855 USD
Retailer 4$887 USD
Retailer 12$1,030 USD
Retailer 9$1,077 USD
Do Amore Diamonds$1,880 USD

19 data points across 16 retailers

12 retailers$220 USD to $1,880 USD

Retailer 1
-
$209 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$220 USD
View
Final sale: no returns
Retailer 3
-
$243 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$256 USD
View
Price last confirmed 32 days ago
A
Retailer 5
-
$290 USD
View
B+
Retailer 6
-
$330 USD
View
B+
Retailer 7
-
$656 USD
A$1,009 AUD
View
B+
Retailer 8
-
$701 USD
View
Retailer 9
-
$834 USD
View
Price last confirmed 29 days ago
B
Retailer 10
-
$1,030 USD
View
B
Retailer 11
-
$1,077 USD
£848 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5535EE115 · Oct 29
$1,880 USD
View
11 more retailers have this diamond
Prices start from $220 USDSave up to $1,660 USD

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
$220 USD