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Heart|Lab Grown|IGI

1.78ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG707510587

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG707510587

Diamond specifications and retailer prices

From €283 EUR
$317 USD
As of October 31, 2026
Save €1,213 EUR (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,569 EUR at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

About this 1.78ct lab-grown heart diamond

This 1.78ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG707510587 or 707510587. Listed at 18 retailers as of October 31, 2026, with a 429% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707510587
Dimensions8.82 × 7.46 × 4.83 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.82 mm7.46 mm1.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707510587
Side View
Table 62.0%Crown 30.9°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 54.8%

Caratlytics Score

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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 31
Current: €1,462 EUR|Low: €243 EUR|High: €1,587 EUR|Avg: €676 EUR|-7.9%
Brilliant Earth
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
Retailer 17
October 24, 2026
Retailer 17€252 EUR
Retailer 5€283 EUR
Retailer 14€293 EUR
Retailer 6€313 EUR
Retailer 7€313 EUR
Retailer 10€366 EUR
Retailer 15€477 EUR
Retailer 4€516 EUR
Retailer 12€533 EUR
Retailer 11€543 EUR
Retailer 9€622 EUR
Retailer 13€802 EUR
Retailer 8€969 EUR
Retailer 3€1,007 EUR
Retailer 16€1,270 EUR
Brilliant Earth€1,462 EUR
Retailer 2€1,496 EUR

28 data points across 17 retailers

18 retailers€283 EUR to €1,496 EUR

Retailer 1
-
€252 EUR
$283 USD
Price last confirmed 11 days ago
A
Retailer 2
-
€283 EUR
$317 USD
View
Final sale: no returns
Retailer 3
-
€293 EUR
$329 USD
View
Price last confirmed 12 days ago
Retailer 4
-
€313 EUR
$351 USD
View
Price last confirmed 17 days ago
Retailer 5
-
€313 EUR
$351 USD
View
Price last confirmed 11 days ago
Retailer 6
-
€477 EUR
$535 USD
View
Price last confirmed 10 days ago
Retailer 7
-
€516 EUR
$579 USD
View
Price last confirmed 12 days ago
Retailer 8
-
€533 EUR
ZAR 9,661 ZAR
View
Price last confirmed 15 days ago
Retailer 9
-
€543 EUR
£480 GBP
View
Price last confirmed 11 days ago
Retailer 10
-
€622 EUR
$698 USD
View
Price last confirmed 12 days ago
Retailer 11
-
€802 EUR
$899 USD
View
Price last confirmed 11 days ago
Retailer 12
-
€969 EUR
A$1,672 AUD
View
Price last confirmed 32 days ago
Retailer 13
-
€1,007 EUR
$1,129 USD
View
Price last confirmed 11 days ago
Retailer 14
-
€1,205 EUR
$1,351 USD
View
Price last confirmed 11 days ago
Retailer 15
-
€1,270 EUR
£1,122 GBP
View
Price last confirmed 22 days ago
Retailer 16
-
€1,462 EUR
$1,640 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
€1,496 EUR
$1,678 USD
View
Most Expensive
Brilliant Earth
18181421A · Oct 12
€1,569 EUR
$1,760 USD
View
Price last confirmed 21 days ago
17 more retailers have this diamond
Prices start from €283 EURSave up to €1,213 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
1.78ct Heart
€283 EUR