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Heart|Lab Grown|IGI

1.90ct G SI1 Heart Lab Grown Diamond

ID • G/SI1 • IGI LG512220502

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG512220502

Diamond specifications and retailer prices

From €321 EUR
$359 USD
As of October 30, 2026
Save €1,236 EUR (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,557 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1.9ct lab-grown heart diamond

This 1.9ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512220502 or 512220502. Listed at 14 retailers as of October 26, 2026, with prices from €321 to €1,557, a €1,236 spread on the same certified stone. MOH London lists it at €1,557. 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

1.90
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle43.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512220502
Dimensions8.91 × 7.43 × 5.13 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.91 mm7.43 mm1.90 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512220502
Side View
Table 60.0%Crown 35.4°Girdle: MED-THKPavilion 43.5°Culet: NoneDepth 57.6%

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 30
Current: €1,557 EUR|Low: €308 EUR|High: €1,924 EUR|Avg: €763 EUR|-3.9%
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
November 2, 2026
Retailer 9€321 EUR
Retailer 5€358 EUR
Retailer 13€372 EUR
Retailer 3€398 EUR
Retailer 10€398 EUR
Retailer 7€533 EUR
Retailer 12€638 EUR
Retailer 4€639 EUR
Retailer 2€717 EUR
Retailer 8€1,167 EUR
Retailer 6€1,217 EUR
Retailer 11€1,279 EUR
MOH London€1,557 EUR

43 data points across 13 retailers

14 retailers€321 EUR to €1,557 EUR

A
Cheapest Retailer
-
€321 EUR
$359 USD
A
Retailer 2
-
€358 EUR
$400 USD
View
Final sale: no returns
A
Retailer 3
-
€372 EUR
$416 USD
View
Retailer 4
-
€398 EUR
$445 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€398 EUR
$445 USD
View
B+
Retailer 6
-
€533 EUR
$595 USD
View
B+
Retailer 7
-
€638 EUR
$713 USD
View
B+
Retailer 8
-
€639 EUR
$714 USD
View
B+
Retailer 9
-
€717 EUR
£631 GBP
View
B
Retailer 10
-
€928 EUR
HK$8,100 HKD
View
B
Retailer 11
-
€1,167 EUR
$1,304 USD
View
B
Retailer 12
-
€1,217 EUR
$1,360 USD
View
B
Retailer 13
-
€1,279 EUR
$1,429 USD
View
Most Expensive
B
MOH London
LG512220502 · Oct 26
€1,557 EUR
£1,370 GBP
View
13 more retailers have this diamond
Prices start from €321 EURSave up to €1,236 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
1.90ct Heart
€321 EUR