Heart|Lab Grown|IGI

1.28ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG779643406

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG779643406

Diamond specifications and retailer prices

From €157 EUR
$175 USD
As of October 30, 2026
Save €840 EUR (84%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: €997 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.28ct lab-grown heart diamond

This 1.28ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG779643406 or 779643406. Listed at 33 retailers as of October 30, 2026, with prices from €157 to €997, a €840 spread on the same certified stone. Reve Diamonds lists it at €997. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779643406
Dimensions6.04 × 7.04 × 4.03 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.04 mm7.04 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779643406
Side View
Table 67.0%Crown 33.7°Girdle: STK-THKPavilion 33.5°Culet: NoneDepth 57.2%

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: €907 EUR|Low: €170 EUR|High: €1,013 EUR|Avg: €495 EUR|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 1, 2026
Retailer 10€175 EUR
Retailer 4€192 EUR
Retailer 5€199 EUR
Retailer 13€326 EUR
Retailer 11€346 EUR
Retailer 6€348 EUR
Retailer 8€419 EUR
Retailer 9€422 EUR
Retailer 2€463 EUR
Retailer 3€617 EUR
Retailer 7€659 EUR
Retailer 12€673 EUR
Retailer 1€907 EUR
Reve Diamonds€997 EUR

40 data points across 14 retailers

33 retailers€157 EUR to €997 EUR

Retailer 1
-
€153 EUR
$171 USD
Price last confirmed 8 days ago
Retailer 2
-
€155 EUR
$173 USD
View
Price last confirmed 29 days ago
Retailer 3
-
€155 EUR
$173 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
€157 EUR
$175 USD
View
Retailer 5
-
€160 EUR
$179 USD
View
Price last confirmed 20 days ago
Retailer 6
-
€162 EUR
$181 USD
View
Price last confirmed 23 days ago
A
Retailer 7
-
€175 EUR
$195 USD
View
Final sale: no returns
Retailer 8
-
€177 EUR
$198 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
€190 EUR
$212 USD
View
Retailer 10
-
€192 EUR
$214 USD
View
Price last confirmed 10 days ago
A
Retailer 11
-
€194 EUR
$217 USD
View
Retailer 12
-
€198 EUR
$221 USD
View
Price last confirmed 31 days ago
Retailer 13
-
€199 EUR
$222 USD
View
Price last confirmed 21 days ago
Retailer 14
-
€199 EUR
$222 USD
View
Price last confirmed 16 days ago
Retailer 15
-
€199 EUR
$222 USD
View
Price last confirmed 20 days ago
Retailer 16
-
€201 EUR
$224 USD
View
Price last confirmed 23 days ago
Retailer 17
-
€201 EUR
$224 USD
View
Price last confirmed 27 days ago
A
Retailer 18
-
€326 EUR
ZAR 5,882 ZAR
View
A
Retailer 19
-
€346 EUR
$386 USD
View
A
Retailer 20
-
€348 EUR
£306 GBP
View
A
Retailer 21
-
€419 EUR
$468 USD
View
A
Retailer 22
-
€422 EUR
$471 USD
View
B+
Retailer 23
-
€463 EUR
A$795 AUD
View
Retailer 24
-
€610 EUR
$682 USD
View
Price last confirmed 10 days ago
Retailer 25
-
€617 EUR
$689 USD
View
Price last confirmed 12 days ago
Retailer 26
-
€638 EUR
$713 USD
View
Price last confirmed 21 days ago
Retailer 27
-
€644 EUR
$720 USD
View
Price last confirmed 24 days ago
Retailer 28
-
€644 EUR
$720 USD
View
Price last confirmed 31 days ago
Retailer 29
-
€644 EUR
$720 USD
View
Price last confirmed 27 days ago
B
Retailer 30
-
€659 EUR
$736 USD
View
B+
Retailer 31
-
€673 EUR
$752 USD
View
B
Retailer 32
-
€907 EUR
£798 GBP
View
Most Expensive
B
Reve Diamonds
DB45132C0 · Oct 30
€997 EUR
$1,114 USD
View
32 more retailers have this diamond
Prices start from €157 EURSave up to €840 EUR

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
1.28ct Heart
€157 EUR