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Heart|Lab Grown|IGI

0.71ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG803660474

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG803660474

Diamond specifications and retailer prices

From €172 EUR
$192 USD
As of October 25, 2026
Save €380 EUR (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €803 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 0.71ct lab-grown heart diamond

This 0.71ct lab-grown heart sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG803660474 or 803660474. Listed at 12 retailers as of October 25, 2026, with a 221% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.71
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803660474
Dimensions6.31 × 5.46 × 3.69 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.31 mm5.46 mm0.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG803660474
Side View
Table 66.0%Crown 33.8°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 58.5%

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 25
Current: €803 EUR|Low: €122 EUR|High: €879 EUR|Avg: €358 EUR|-8.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 12€139 EUR
Retailer 13€154 EUR
Retailer 9€160 EUR
Retailer 3€172 EUR
Retailer 10€195 EUR
Retailer 8€298 EUR
Retailer 4€314 EUR
Retailer 6€367 EUR
Retailer 5€379 EUR
Retailer 2€438 EUR
Retailer 7€468 EUR
Retailer 11€551 EUR
MOH London€803 EUR

43 data points across 13 retailers

12 retailers€172 EUR to €551 EUR

Retailer 1
-
€139 EUR
$155 USD
Price last confirmed 8 days ago
Retailer 2
-
€160 EUR
$179 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€172 EUR
$192 USD
View
A
Retailer 4
-
€195 EUR
HK$1,700 HKD
View
B+
Retailer 5
-
€298 EUR
£262 GBP
View
B+
Retailer 6
-
€314 EUR
$351 USD
View
B+
Retailer 7
-
€367 EUR
$410 USD
View
B+
Retailer 8
-
€379 EUR
$423 USD
View
B+
Retailer 9
-
€438 EUR
$489 USD
View
B
Retailer 10
-
€468 EUR
SGD 707 SGD
View
B
Retailer 11
-
€551 EUR
$616 USD
View
Most Expensive
MOH London
LG803660474 · Oct 25
€803 EUR
£706 GBP
View
Price last confirmed 7 days ago
11 more retailers have this diamond
Prices start from €172 EURSave up to €380 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
0.71ct Heart
€172 EUR